Diagnosis Procedure
- CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
- Turn ignition switch OFF.
- Check signal between BCM harness connector and ground using oscilloscope.
(+)
(-)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M18
119
Ground
Standby state
Press the Intelligent Key lock or unlock button.
Is the inspection result normal?
YES
. Refer to Removal and Installation .
NO
GO TO 2 .
- CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT
- Disconnect BCM and remote keyless entry receiver connectors.
- Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M18
119
M27
2
Yes
- Check continuity between BCM harness connector and ground.
(+)
(-)
Continuity
BCM
Connector
Terminal
M18
119
Ground
No
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness.
- CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
Check voltage between remote keyless entry receiver harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Remote keyless entry receiver
Connector
Terminal
M27
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 4 .
NO
Check 10A fuse No. 9 [located in fuse block J/B].
NO
Repair or replace harness between remote keyless entry receiver and 10A fuse No. 9.
- CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
Remote keyless entry receiver
Ground
Continuity
Connector
Terminal
M27
3
Yes
Is the inspection result normal?
YES
Replace remote keyless entry receiver. Refer to Removal and Installation .
NO
Repair or replace harness.