DESCRIPTION
If the front passenger door entry unlock function operates normally, but its entry lock function does not, this means that the request code from the front passenger door is being output normally. In this case, a malfunction in the lock sensor circuit (from the certification ECU (smart key ECU assembly) to the front door outside handle assembly (lock sensor)) is suspected.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK POWER DOOR LOCK OPERATION |
(a) When the door control switch on the master switch assembly is operated, check
that the doors unlock and lock according to switch operation (See page
).
OK:
Door locks operate normally.
NG | ![]() |
GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table) |
|
2. |
READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Main Body (Main Body ECU (Driver Side junction Block Assembly))
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
P-Door Lock Pos SW |
Front passenger side door lock position switch signal/ON or OFF |
ON: Front passenger side door is unlocked OFF: Front passenger side door is locked |
- |
OK:
On the Techstream screen, the display changes between ON and OFF as shown in the chart above.
NG | ![]() |
GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit) |
|
3. |
READ VALUE USING TECHSTREAM (DOOR OUTSIDE HANDLE) |
(a) Enter the following menus: Body Electrical / Smart Key / Data List.
(b) Read the Data List according to the display on the Techstream.
Smart Key (Certification ECU (Smart Key ECU Assembly))
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
P-Door Trigger SW |
Front passenger side door lock switch / ON or OFF |
ON: Entry lock switch pressed OFF: Entry lock switch not pressed |
- |
OK:
On the Techstream screen, the display changes between ON and OFF as shown in the chart above.
OK | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
|
4. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE - CERTIFICATION ECU) |
(a) Disconnect the certification ECU (smart key ECU assembly) connector.
(b) Disconnect the front door outside handle assembly (for front passenger side) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-19 (TSW2) - z4-1 (TRG+) |
Always |
Below 1 Ω |
D25-19 (TSW2) - Body ground |
Always |
10 kΩ or higher |
z4-1 (TRG+) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) |
*2 |
Front view of wire harness connector (to Front Door Outside Handle Assembly (for Front Passenger Side)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (LOCK SENSOR SIGNAL INPUT) |
(a) Reconnect the certification ECU (smart key ECU assembly) connector.
(b) Reconnect the front door outside handle assembly (for front passenger side) connector.
(c) Measure the voltage and check for pulses according to the value(s) in the table below.
Standard:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-19 (TSW2) - D25-15 (E) |
|
Pulse generation |
D25-19 (TSW2) - D25-15 (E) |
|
Below 2 V |
*1 |
Component with harness connected (Certification ECU (Smart Key ECU Assembly)) |
OK | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG | ![]() |
REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY (for Front Passenger Side) |
Master Cylinder Pressure Sensor Malfunction (C1246/46,C1281/81)
DESCRIPTION
Master cylinder pressure sensor is connected to the skid control ECU in the brake
actuator assembly.
DTC C1281/81 will be cleared when the master cylinder pressure sensor sends a
master cylinder pressure signal or when Test Mode ends. DTC C12 ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE DISC INSIDE DIAMETER
(a) Using a brake drum gauge or an equivalent tool, measure the inside
diameter of the disc.
Standard inside diameter of a new disc:
190 mm (7.48 in.)
Maximum inside diamete ...
Power Back Door Closer Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY
2. REMOVE POWER BACK DOOR CLOSER SWITCH ASSEMBLY
(a) Disconnect the connector.
(b) ...