Subaru BRZ 2013 · Service Manual Engine/hybrid system

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
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.
Circuit figure
Inspection steps
CAUTION:
Before performing troubleshooting, check the fuse for this circuit.
1. Check wiring harness and connector (ACC voltage)

NOTE:
Refer to for the inspection procedure and precautions.
(1) Disconnect the connector D42 of control unit relay ASSY.
NG
>Repair or replacement of wiring harness or connector

OK▼

4. Check wiring harness and connector (control unit relay ASSY - P switch (floor shift, shift lever housing))

NOTE:
Refer to for the inspection procedure and precautions.
(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▼

7. Check wiring harness and connector (control unit relay ASSY - key interlock solenoid)

NOTE:
Refer to for the inspection procedure and precautions.
(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▼