Toyota Venza: Terminals Of Ecu

Toyota Venza Service Manual / Window / Glass / Power Window Control System / Terminals Of Ecu

TERMINALS OF ECU

1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

(a) Disconnect the I6 power window regulator master switch assembly connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
I6-11 (B) - I6-12 (E)	GR - W-B	Power supply	Ignition switch ON	11 to 14 V
I6-12 (E) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
I6-15 (DOWN) - I6-12 (E)	G - W-B	Power window motor DOWN output	Ignition switch ON, driver side power window regulator switch OFF	11 to 14 V
I6-15 (DOWN) - I6-12 (E)	G - W-B	Power window motor DOWN output	Ignition switch ON, driver door power window switch DOWN (Manual operation)	Below 1 V
I6-18 (LED) - I6-12 (E)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
I6-18 (LED) - I6-12 (E)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
I6-20 (UP) - I6-12 (E)	BR - W-B	Power window motor UP output	Ignition switch ON, driver door power window switch OFF	11 to 14 V
I6-20 (UP) - I6-12 (E)	BR - W-B	Power window motor UP output	Ignition switch ON, driver door power window switch UP (Manual operation)	Below 1 V

If the result is not as specified, the power window regulator master switch assembly may have a malfunction.

2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side)

(a) Disconnect the H8 power window regulator switch assembly (for front passenger side) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
H8-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
H8-4 (LED) - H8-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
H8-4 (LED) - H8-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger side power window fully open	11 to 14 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger side power window fully UP (AUTO UP position)	Below 1 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger side power window fully stopped (UP)	11 to 14 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger side power window fully closed	11 to 14 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position)	Below 1 V
H8-8 (AUTO) - H8-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger side power window fully stopped (DOWN)	11 to 14 V
H8-7 (DOWN) - H8-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for front passenger side) OFF	11 to 14 V
H8-7 (DOWN) - H8-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for front passenger side) DOWN (Manual operation)	Below 1 V
H8-6 (UP) - H8-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for front passenger side) OFF	11 to 14 V
H8-6 (UP) - H8-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for front passenger side) UP (Manual operation)	Below 1 V

If the result is not as specified, the power window regulator switch assembly (for front passenger side) may have a malfunction.

3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH Side)

(a) Disconnect the K1 power window regulator switch assembly (for rear LH side) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
K1-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
K1-4 (LED) - K1-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
K1-4 (LED) - K1-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH side power window fully open	11 to 14 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH side power window fully UP (AUTO UP position)	Below 1 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH side power window fully stopped (UP)	11 to 14 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH side power window fully closed	11 to 14 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position)	Below 1 V
K1-8 (AUTO) - K1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH side power window fully stopped (DOWN)	11 to 14 V
K1-7 (DOWN) - K1-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for rear LH side) OFF	11 to 14 V
K1-7 (DOWN) - K1-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for rear LH side) DOWN (Manual operation)	Below 1 V
K1-6 (UP) - K1-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for rear LH side) OFF	11 to 14 V
K1-6 (UP) - K1-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for rear LH side) UP (Manual operation)	Below 1 V

If the result is not as specified, the power window regulator switch assembly (for rear LH side) may have a malfunction.

4. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Side)

(a) Disconnect the J1 power window regulator switch assembly (for rear RH side) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
J1-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
J1-4 (LED) - J1-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
J1-4 (LED) - J1-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH side power window fully open	11 to 14 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH side power window fully open (AUTO UP position)	Below 1 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH side power window fully stopped (UP)	11 to 14 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH side power window fully closed	11 to 14 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position)	Below 1 V
J1-8 (AUTO) - J1-1 (GND)	L - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH side power window fully stopped (DOWN)	11 to 14 V
J1-7 (DOWN) - J1-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for rear RH side) OFF	11 to 14 V
J1-7 (DOWN) - J1-1 (GND)	G - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly (for rear RH side) DOWN (Manual operation)	Below 1 V
J1-6 (UP) - J1-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for rear RH side) OFF	11 to 14 V
J1-6 (UP) - J1-1 (GND)	Y - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly (for rear RH side) UP (Manual operation)	Below 1 V

If the result is not as specified, the power window regulator switch assembly (for rear RH side) may have a malfunction.

5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)

(a) Disconnect the I4 power window regulator motor assembly (for driver side) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
I4-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
I4-2 (B) - Body ground	P - Body ground	Power supply	Always	11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
I4-5 (LED) - I4-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
I4-5 (LED) - I4-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
I4-7 (DOWN) - I4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, driver side power window regulator switch OFF	11 to 14 V
I4-7 (DOWN) - I4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, driver door power window switch DOWN (Manual operation)	Below 1 V
I4-7 (DOWN) - I4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, driver side power window fully closed	11 to 14 V
I4-7 (DOWN) - I4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, driver side power window fully DOWN (AUTO DOWN position)	Below 1 V
I4-7 (DOWN) - I4-1 (GND)	G - W-B	Power window motor AUTO DOWN input	Ignition switch ON, driver side power window fully stopped (DOWN)	11 to 14 V
I4-10 (UP) - I4-1 (GND)	BR - W-B	Power window motor UP input	Ignition switch ON, driver door power window switch OFF	11 to 14 V
I4-10 (UP) - I4-1 (GND)	BR - W-B	Power window motor UP input	Ignition switch ON, driver door power window switch UP (Manual operation)	Below 1 V
I4-10 (UP) - I4-1 (GND)	BR - W-B	Power window motor UP input	Ignition switch ON, driver side power window fully open	11 to 14 V
I4-10 (UP) - I4-1 (GND)	BR - W-B	Power window motor UP input	Ignition switch ON, driver side power window fully UP (AUTO UP position)	Below 1 V
I4-10 (UP) - I4-1 (GND)	BR - W-B	Power window motor UP input	Ignition switch ON, driver side power window fully stopped (UP)	11 to 14 V

If the result is not as specified, the power window regulator motor assembly (for driver side) may have a malfunction.

6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)

(a) Disconnect the H4 power window regulator motor assembly (for front passenger side) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
H4-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
H4-2 (B) - Body ground	GR - Body ground	Power supply	Always	11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger side power window fully open	11 to 14 V
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger side power window fully UP (AUTO UP position)	Below 1 V
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger side power window fully stopped (UP)	11 to 14 V
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger side power window fully closed	11 to 14 V
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position)	Below 1 V
H4-4 (AUTO) - H4-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger side power window fully stopped (DOWN)	11 to 14 V
H4-5 (LED) - H4-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
H4-5 (LED) - H4-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
H4-7 (DOWN) - H4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for front passenger side) OFF	11 to 14 V
H4-7 (DOWN) - H4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for front passenger side) DOWN (Manual operation)	Below 1 V
H4-7 (DOWN) - H4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, front passenger side power window fully closed	11 to 14 V
H4-7 (DOWN) - H4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, front passenger side power window fully DOWN (AUTO DOWN position)	Below 1 V
H4-7 (DOWN) - H4-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, front passenger side power window fully stopped (DOWN)	11 to 14 V
H4-10 (UP) - H4-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for front passenger side) OFF	11 to 14 V
H4-10 (UP) - H4-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for front passenger side) UP (Manual operation)	Below 1 V
H4-10 (UP) - H4-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, front passenger side power window fully open	11 to 14 V
H4-10 (UP) - H4-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, front passenger side power window fully UP (AUTO UP position)	Below 1 V
H4-10 (UP) - H4-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, front passenger side power window fully stopped (UP)	11 to 14 V

If the result is not as specified, the power window regulator motor assembly (for front passenger side) may have a malfunction.

7. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side)

(a) Disconnect the K2 power window regulator motor assembly (for rear LH side) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
K2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
K2-2 (B) - Body ground	GR - Body ground	Power supply	Always	11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH side power window fully open	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH side power window fully UP (AUTO UP position)	Below 1 V
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH side power window fully stopped (UP)	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH side power window fully closed	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position)	Below 1 V
K2-4 (AUTO) - K2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH side power window fully stopped (DOWN)	11 to 14 V
K2-5 (LED) - K2-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
K2-5 (LED) - K2-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for rear LH side) OFF	11 to 14 V
K2-7 (DOWN) - K2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for rear LH side) DOWN (Manual operation)	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear LH side power window fully closed	11 to 14 V
K2-7 (DOWN) - K2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear LH side power window fully DOWN (AUTO DOWN position)	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear LH side power window fully stopped (DOWN)	11 to 14 V
K2-10 (UP) - K2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for rear LH side) OFF	11 to 14 V
K2-10 (UP) - K2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for rear LH side) UP (Manual operation)	Below 1 V
K2-10 (UP) - K2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear LH side power window fully open	11 to 14 V
K2-10 (UP) - K2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear LH side power window fully UP (AUTO UP position)	Below 1 V
K2-10 (UP) - K2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear LH side power window fully stopped (UP)	11 to 14 V

If the result is not as specified, the power window regulator motor assembly (for rear LH side) may have a malfunction.

8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side)

(a) Disconnect the J2 power window regulator motor assembly (for rear RH side) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
J2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
J2-2 (B) - Body ground	Y - Body ground	Power supply	Always	11 to 14 V

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH side power window fully open	11 to 14 V
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH side power window fully open (AUTO UP position)	Below 1 V
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH side power window fully stopped (UP)	11 to 14 V
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH side power window fully closed	11 to 14 V
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position)	Below 1 V
J2-4 (AUTO) - J2-1 (GND)	L - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH side power window fully stopped (DOWN)	11 to 14 V
J2-5 (LED) - J2-1 (GND)	R - W-B	LED illumination signal	Ignition switch ON	11 to 14 V
J2-5 (LED) - J2-1 (GND)	R - W-B	LED illumination signal	Ignition switch off	Below 1 V
J2-7 (DOWN) - J2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for rear RH side) OFF	11 to 14 V
J2-7 (DOWN) - J2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly (for rear RH side) DOWN (Manual operation)	Below 1 V
J2-7 (DOWN) - J2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear RH side power window fully closed	11 to 14 V
J2-7 (DOWN) - J2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear RH side power window fully DOWN (AUTO DOWN position)	Below 1 V
J2-7 (DOWN) - J2-1 (GND)	G - W-B	Power window motor DOWN input	Ignition switch ON, rear RH side power window fully stopped (DOWN)	11 to 14 V
J2-10 (UP) - J2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for rear RH side) OFF	11 to 14 V
J2-10 (UP) - J2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly (for rear RH side) UP (Manual operation)	Below 1 V
J2-10 (UP) - J2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear RH side power window fully open	11 to 14 V
J2-10 (UP) - J2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear RH side power window fully UP (AUTO UP position)	Below 1 V
J2-10 (UP) - J2-1 (GND)	Y - W-B	Power window motor UP input	Ignition switch ON, rear RH side power window fully stopped (UP)	11 to 14 V

If the result is not as specified, the power window regulator motor assembly (for rear RH side) may have a malfunction.

9. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

(a) Disconnect the 2C and 2F main body ECU (driver side junction block assembly) connectors.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connectors disconnected.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
2C-24 (BECU) - Body ground	L - Body ground	Battery power supply	Always	11 to 14 V
2C-30 (ALTB) - Body ground	BR - Body ground	Battery power supply	Always	11 to 14 V
2F-16 (GND1) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

(d) Measure the voltage according to the value(s) in the table below.

Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
D50-24 (DCTY) - Body ground	V - Body ground	Driver side door courtesy switch input	Driver side door open	Below 1 V
D50-24 (DCTY) - Body ground	V - Body ground	Driver side door courtesy switch input	Driver side door closed	Pulse generation
D49-21 (PCTY) - Body ground	V - Body ground	Front passenger side door courtesy switch input	Front passenger side door open	Below 1 V
D49-21 (PCTY) - Body ground	V - Body ground	Front passenger side door courtesy switch input	Front passenger side door close	Pulse generation

If the result is not as specified, the main body ECU (driver side junction block assembly) may have a malfunction.

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Toyota Venza: Terminals Of Ecu

Problem Symptoms Table

Diagnosis System

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