Diagnosis Procedure
- CHECK REAR TURN SIGNAL LAMP RH SIGNAL
- Turn ignition switch ON.
- With operating the turn signal switch, check output waveform between rear combination lamp RH harness connector and ground using oscilloscope.DTC Body side
+
-
Test item
Output waveform
(Reference value)
Rear combination lamp RH
Connector
Terminal
M195
4
Ground
Turn signal switch
Right
Center
0 V
DTC Back door side+
-
Test item
Output waveform
(Reference value)
Rear combination lamp RH
Connector
Terminal
M15
4
Ground
Turn signal switch
Right
Center
0 V
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 3.
- CHECK REAR TURN SIGNAL LAMP RH SIGNAL GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect rear combination lamp RH connector.
- Check continuity between rear combination lamp RH harness connector and ground.DTC Body side
Rear combination lamp RH
Ground
Continuity
Connector
Terminal
M194
5
Not existed
DTC Back door sideRear combination lamp RH
Ground
Continuity
Connector
Terminal
M14
5
Not existed
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace harness.
- CHECK REAR TURN SIGNAL LAMP RH SIGNAL CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect following connectors.
- Rear combination lamp RH (body side)
- Rear combination lamp RH (back door side)
- BCM
- Check continuity between BCM harness connector and rear combination lamp RH harness connector.DTC Body side
BCM
Rear combination lamp RH
Continuity
Connector
Terminal
Connector
Terminal
M27
58
M195
4
Existed
DTC Back door sideBCM
Rear combination lamp RH
Continuity
Connector
Terminal
Connector
Terminal
M27
58
M15
4
Existed
- Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M27
58
Not existed
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK REAR TURN SIGNAL LAMP RH SIGNAL CIRCUIT 2
Check voltage between rear BCM harness connector and ground.
(+)
(-)
Voltage
(Approx.)
BCM
Connector
Terminal
M27
58
Ground
0 V
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace harness.
- ERASE DTC
- Connect following connectors.
- Rear combination lamp RH (body side)
- Rear combination lamp RH (back door side)
- BCM
- Turn ignition switch ON.
- Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
- Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .
Is DTC detected?
YES
GO TO 6.
NO
INSPECTION END
- Connect following connectors.
- REPLACE REAR COMBINATION LAMP RH AND ERASE DTC
- Turn ignition switch OFF.
- Replace corresponding rear combination lamp RH. Refer to Removal and Installation (body side) or Removal and Installation (back door side)
- Turn ignition switch ON.
- Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
- Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .
Is DTC detected?
YES
Replace BCM. Refer to Removal and Installation .
NO
INSPECTION END