Key interlock system
Parts location System information Troubleshooting Circuit diagnosis Removal / installation
STARTING
KEY INTERLOCK SYSTEM
FUNCTION INSPECTION
1. Key interlock function check
(1) Turn the ignition switch to ON.
(2) Depress the brake pedal and place the shift lever in a position other than the P position.
(3) Check that the ignition key cannot be turned to the LOCK position.
(4) Place the shift lever in the P position and turn the ignition key to the LOCK position to check that the ignition key can be pull out.
PARTS LOCATION

SYMPTOM TABLE
CIRCUIT FIGURE

| Cannot remove or insert the key |
|---|
Circuit description
The control unit relay ASSY outputs a signal to the key interlock solenoid when the ACC signal and P signal are input.
Inspection steps
CAUTION:
Before performing troubleshooting, check the fuse for this circuit.
1.
Check wiring harness and connector (ACC voltage)
(1) Disconnect the connector D42 of control unit relay ASSY.
NG
>Repair or replacement of wiring harness or connector
OK▼
2.
Check wiring harness and connector (control unit relay ASSY - chassis ground)
(1) Disconnect the connector D42 of control unit relay ASSY.
NG
>Repair or replacement of wiring harness or connector
OK▼
3.
P switch (floor shift, shift lever housing) unit inspection
NG
OK▼
4.
Check wiring harness and connector (control unit relay ASSY - P switch (floor shift, shift lever housing))
(1) Disconnect the connector D42 of control unit relay ASSY.
(2) Disconnect the connector D28 of P switch (floor shift, shift lever housing).
NG
>Repair or replacement of wiring harness or connector
OK▼
5.
Check wiring harness and connector (P switch (floor shift, shift lever housing) - chassis ground)
(1) Disconnect the connector D28 of P switch (floor shift, shift lever housing).
NG
>Repair or replacement of wiring harness or connector
OK▼
6.
Key interlock solenoid check
(1) Disconnect the connector D60 of key interlock solenoid.
NG
OK▼
7.
Check wiring harness and connector (control unit relay ASSY - key interlock solenoid)
(1) Disconnect the connector D42 of control unit relay ASSY.
(2) Disconnect the connector D60 of key interlock solenoid.
NG
>Repair or replacement of wiring harness or connector
OK▼
8.
Check wiring harness and connector (key interlock solenoid - chassis ground)
(1) Disconnect the connector D60 of key interlock solenoid.
NG
>Repair or replacement of wiring harness or connector
OK▼