TERMINALS OF ECU
1. CHECK ENGINE SWITCH
(a) Disconnect the D13 engine switch connector.
(b) Measure the resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with connector disconnected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D13-8 (AGND) - Body ground |
V - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the D13 engine switch connector.
(d) Measure the voltage according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D13-9 (TXCT) - D13-8 (AGND) |
GR - V |
Key code output signal |
|
Below 1 V |
D13-9 (TXCT) - D13-8 (AGND) |
GR - V |
Key code output signal |
|
Pulse generation (See waveform 1) |
D13-10 (CODE) - D13-8 (AGND) |
LG - V |
Demodulated signal of key code data |
|
Below 1 V |
D13-10 (CODE) - D13-8 (AGND) |
LG - V |
Demodulated signal of key code data |
|
Pulse generation (See waveform 2) |
D13-14 (VC5) - D13-8 (AGND) |
R - V |
Power supply |
|
Below 1 V |
D13-14 (VC5) - D13-8 (AGND) |
R - V |
Power supply |
|
Pulse generation (See waveform 3) |
If the result is not as specified, the engine switch may have a malfunction.
(e) Inspect using an oscilloscope.
(1) Waveform 1 (Reference)
Item |
Content |
---|---|
Tester Connection |
D13-9 (TXCT) - D13-8 (AGND) |
Tool Setting |
2 V/DIV., 50 ms./DIV. |
Condition |
|
(2) Waveform 2 (Reference)
Item |
Content |
---|---|
Tester Connection |
D13-10 (CODE) - D13-8 (AGND) |
Tool Setting |
2 V/DIV., 50 ms./DIV. |
Condition |
|
(3) Waveform 3 (Reference)
Item |
Content |
---|---|
Tester Connection |
D13-14 (VC5) - D13-8 (AGND) |
Tool Setting |
2 V/DIV., 200 ms./DIV. |
Condition |
|
2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the D25 certification ECU (smart key ECU assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with connector disconnected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D25-1 (+B) - D25-15 (E) |
G - B |
+B power supply |
Always |
11 to 14 V |
D25-15 (E) - Body ground |
B - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the D25 certification ECU (smart key ECU assembly) connector.
(d) Measure the resistance and voltage according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D25-2 (INDS) - Body ground |
Y - Body ground |
Security indicator light signal |
Engine switch on (IG), security indicator light off |
Below 2 V |
D25-2 (INDS) - Body ground |
Y - Body ground |
Security indicator light signal |
Engine switch off, security indicator light blinks |
Pulse generation |
D25-12 (TXCT) - D25-36 (AGND) |
GR - V |
Engine switch TXCT output |
|
Below 1 V |
D25-12 (TXCT) - D25-36 (AGND) |
GR - V |
Engine switch TXCT output |
|
Pulse generation (See waveform 1) |
D25-13 (CODE) - D25-36 (AGND) |
LG - V |
Engine switch CODE input |
|
Below 1 V |
D25-13 (CODE) - D25-36 (AGND) |
LG - V |
Engine switch CODE input |
|
Pulse generation (See waveform 2) |
D25-16 (IG) - D25-15 (E) |
R - B |
Ignition power supply |
Engine switch off |
Below 1 V |
D25-16 (IG) - D25-15 (E) |
R - B |
Ignition power supply |
Engine switch on (IG) |
11 to 14 V |
D25-28 (VC5) - D25-36 (AGND) |
R - V |
Engine switch power supply |
|
Below 1 V |
D25-28 (VC5) - D25-36 (AGND) |
R - V |
Engine switch power supply |
|
Pulse generation (See waveform 3) |
D25-34 (EFII) - D25-15 (E) |
BR - B |
ECM input signal |
Engine switch off |
11 to 14 V |
D25-34 (EFII) - D25-15 (E) |
BR - B |
ECM input signal |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
Pulse generation (See waveform 4) |
D25-35 (EFIO) - D25-15 (E) |
G - B |
ECM output signal |
Engine switch off |
11 to 14 V |
D25-35 (EFIO) - D25-15 (E) |
G - B |
ECM output signal |
Engine switch on (IG) |
Pulse generation (See waveform 5) |
D25-36 (AGND) - Body ground |
V - Body ground |
Engine switch ground |
Always |
Below 1 Ω |
If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.
(e) Inspect using an oscilloscope.
(1) Waveform 1 (Reference)
Item |
Content |
---|---|
Tester Connection |
D25-12 (TXCT) - D25-36 (AGND) |
Tool Setting |
2 V/DIV., 50 ms./DIV. |
Condition |
|
(2) Waveform 2 (Reference)
Item |
Content |
---|---|
Tester Connection |
D25-13 (CODE) - D25-36 (AGND) |
Tool Setting |
2 V/DIV., 50 ms./DIV. |
Condition |
|
(3) Waveform 3 (Reference)
Item |
Content |
---|---|
Tester Connection |
D25-28 (VC5) - D25-36 (AGND) |
Tool Setting |
2 V/DIV., 200 ms./DIV. |
Condition |
|
(4) Waveform 4 (Reference)
Item |
Content |
---|---|
Tester Connection |
D25-34 (EFII) - D25-15 (E) |
Tool Setting |
5 V/DIV., 500 ms/DIV. |
Condition |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
(5) Waveform 5 (Reference)
Item |
Content |
---|---|
Tester Connection |
D25-35 (EFIO) - D25-15 (E) |
Tool Setting |
5 V/DIV., 100 ms./DIV. |
Condition |
Engine switch on (IG) |
3. CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)
(a) Disconnect the D17 steering lock ECU (steering lock actuator assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with connector disconnected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D17-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
D17-6 (IG2) - Body ground |
LG - Body ground |
Ignition power supply |
Engine switch off |
Below 1 V |
D17-6 (IG2) - Body ground |
LG - Body ground |
Ignition power supply |
Engine switch on (IG) |
11 to 14 V |
D17-7 (B) - Body ground |
P - Body ground |
+B power supply |
Always |
11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
4. CHECK ECM (for 2GR-FE)
(a) The values listed under "Specified Condition" are reference values. Because waterproof connectors are used for ECM, inspections cannot be performed with the connectors connected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
B39-81 (E1) - Body ground |
W - Body ground |
Ground |
Always |
Below 1 Ω |
A41-29 (IMO) - B39-81 (E1) |
BR - W |
Certification ECU (smart key ECU assembly) output signal |
Engine switch off |
11 to 14 V |
A41-29 (IMO) - B39-81 (E1) |
BR - W |
Certification ECU (smart key ECU assembly) output signal |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
Pulse generation (See waveform 1) |
A41-40 (IMI) - B39-81 (E1) |
G - W |
Certification ECU (smart key ECU assembly) input signal |
Engine switch off |
11 to 14 V |
A41-40 (IMI) - B39-81 (E1) |
G - W |
Certification ECU (smart key ECU assembly) input signal |
Engine switch on (IG) |
Pulse generation (See waveform 2) |
(b) Waveform:
(1) Waveform 1 (Reference)
Item |
Content |
---|---|
Tester Connection |
A41-29 (IMO) - B39-81 (E1) |
Tool Setting |
5 V/DIV., 500 ms./DIV. |
Condition |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
(2) Waveform 2 (Reference)
Item |
Content |
---|---|
Tester Connection |
A41-40 (IMI) - B39-81 (E1) |
Tool Setting |
5 V/DIV., 100 ms./DIV. |
Condition |
Engine switch on (IG) |
5. CHECK ECM (for 1AR-FE)
(a) The values listed under "Specified Condition" are reference values. Because waterproof connectors are used for ECM, inspections cannot be performed with the connectors connected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
B58-104 (E1) - Body ground |
BR - Body ground |
Ground |
Always |
Below 1 Ω |
A49-10 (IMO) - B58-104 (E1) |
BR - BR |
Certification ECU (smart key ECU assembly) output signal |
Engine switch off |
11 to 14 V |
A49-10 (IMO) - B58-104 (E1) |
BR - BR |
Certification ECU (smart key ECU assembly) output signal |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
Pulse generation (See waveform 1) |
A49-11 (IMI) - B58-104 (E1) |
G - BR |
Certification ECU (smart key ECU assembly) input signal |
Engine switch off |
Below 1 V |
A49-11 (IMI) - B58-104 (E1) |
G - BR |
Certification ECU (smart key ECU assembly) input signal |
Engine switch on (IG) |
Pulse generation (See waveform 2) |
(b) Waveform:
(1) Waveform 1 (Reference)
Item |
Content |
---|---|
Tester Connection |
A49-10 (IMO) - B58-104 (E1) |
Tool Setting |
5 V/DIV., 500 ms./DIV. |
Condition |
Within 3 seconds after the starter operates and initial combustion occurs, or within 3 seconds after engine switch first turned on (IG) after battery disconnected and connected |
(2) Waveform 2 (Reference)
Item |
Content |
---|---|
Tester Connection |
A49-11 (IMI) - B58-104 (E1) |
Tool Setting |
5 V/DIV., 100 ms./DIV. |
Condition |
Engine switch on (IG) |
6. CHECK POWER MANAGEMENT CONTROL ECU
(a) Disconnect the D43 power management control ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with connector disconnected.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D43-1 (AM22) - Body ground |
LG - Body ground |
Battery |
Always |
11 to 14 V |
D43-2 (AM21) - Body ground |
Y - Body ground |
Battery |
Always |
11 to 14 V |
D43-5 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
D43-6 (GND) - Body ground |
W - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
7. ACCESSORY METER ASSEMBLY
(a) Disconnect the F2 accessory meter 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 connector disconnected.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F2-1 (B) - Body ground |
P - Body ground |
Battery |
Always |
11 to 14 V |
F2-12 (E) - Body ground |
B - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the F2 accessory meter assembly connector.
(d) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F2-14 (LP) - Body ground |
Y - Body ground |
Security indicator light signal |
Engine switch on (IG), security indicator light off |
Below 2 V |
F2-14 (LP) - Body ground |
Y - Body ground |
Security indicator light signal |
Engine switch off, security indicator light blinks |
Pulse generation |
If the result is not as specified, the accessory meter assembly may have a malfunction.
Automatic Light Control Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE DEFROSTER NOZZLE GARNISH
2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR
(a) Disengage the 2 claws and remove the automatic light control sensor.
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER
(a) Using a tacker, install the separate type front seat cushion heater
to the end of the separate type front seat cushion cover with 25 new tack
pins.
NOTICE:
...
Lost Communication with Gateway Module (Power Management1) (U1002)
DESCRIPTION
The power management control ECU will store this DTC when no signals
can be received from the ECUs that have been memorized as those that are
connected to the CAN No. 2 bus.
When the power management control ECU receives a respo ...