No.3 RVM INDICATOR LIGHT (GREEN) DOES NOT ILLUMINATE [REAR VEHICLE MONITORING SYSTEM]

id0903z7994200

3

RVM indicator light (green) does not illuminate
DESCRIPTION
•  RVM indicator light (green) does not illuminate even though RVM switch turns on after ignition is switched ON.
POSSIBLE CAUSES
•  Rear vehicle monitoring control module (RH) does not recognize RVM switch on/off status.
―  RVM switch malfunction (stuck switch, internal malfunction)
―  Open circuit in wiring harness between RVM switch terminal I (L.H.D.)/C (R.H.D.) and rear vehicle monitoring control module terminal D (through short code terminal J)
―  Open circuit in wiring harness between RVM switch terminal K and ground
―  RVM switch ground point looseness/disengagement
―  Rear vehicle monitoring control module (RH) malfunction
•  Instrument cluster does not receive RVM indicator light (green) illumination request signal from rear vehicle monitoring control module (RH).
―  Communication error between rear vehicle monitoring control module (RH) and instrument cluster
―  Rear vehicle monitoring control module (RH) internal malfunction (Illumination request signal is not output)
―  Instrument cluster internal malfunction (Illumination request signal is not received)
•  Instrument cluster does not illuminate RVM indicator light (green).
―  Instrument cluster internal malfunction (RVM indicator light (green) illumination circuit disabled)


Diagnostic Procedure

Step

Inspection

Action
1
VERIFY DTCs
•  Retrieve DTCs from the rear vehicle monitoring system and instrument cluster using the M-MDS.
•  Are any DTCs displayed?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [REAR VEHICLE MONITORING SYSTEM].)
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
2
DETERMINE IF MALFUNCTION CAUSE IS RVM SWITCH OR RVM INDICATOR LIGHT (GREEN) ILLUMINATION RELATED
•  Monitor the rear vehicle monitoring system PID MAIN_SW using the M-MDS.
•  Turn the RVM switch on and off.
•  Does the PID MAIN_SW monitoring value turn on and off according to the RVM switch operation?
Yes
Go to Step 6.
No
Go to the next step.
3
INSPECT RVM SWITCH
•  Inspect the RVM switch.
•  Is the RVM switch normal?
Yes
Go to the next step.
No
Replace the RVM switch.
(See RVM SWITCH REMOVAL/INSTALLATION.)
4*
VERIFY IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN RVM SWITCH SIGNAL-RELATED WIRING HARNESS
•  Switch the ignition to off (LOCK).
•  Disconnect the rear vehicle monitoring control module (RH) and RVM switch connectors.
•  Verify the continuity between rear vehicle monitoring control module (RH) short code terminal J and RVM switch terminal I (L.H.D.)/C (R.H.D.) by checking the continuity at the vehicle wiring harness-side connector.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for an open circuit.
5*
DETERMINE IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN RVM SWITCH GROUND SYSTEM WIRING HARNESS OR REAR VEHICLE MONITORING CONTROL MODULE (RH)
•  Leave the RVM switch connector disconnected.
•  Verify the continuity between RVM switch terminal K and ground.
•  Is there continuity?
Yes
Replace the rear vehicle monitoring control module (RH).
(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
No
Inspect and repair the ground point for looseness, disengagement, or lifting.
Inspect and repair the wiring harness for an open circuit.
6
DETERMINE IF MALFUNCTION CAUSE IS INSTRUMENT CLUSTER OR REAR VEHICLE MONITORING CONTROL MODULE (RH)
•  Illuminate all the indicator lights and warning lights in the instrument cluster using the simulation function WL+IL in the M-MDS instrument cluster.
•  Does the RVM indicator light (green) illuminate?
Yes
Replace the rear vehicle monitoring control module (RH).
(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
No
Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)