RVM INDICATOR LIGHT (GREEN)/RVM WARNING INDICATOR LIGHT DOES NOT ILLUMINATE WHEN IGNITION IS SWITCHED ON [REAR VEHICLE MONITORING SYSTEM]

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Note

• If there is any vehicle malfunction complaint lodged by a customer, perform FOREWORD [REAR VEHICLE MONITORING SYSTEM] malfunction diagnosis according to the troubleshooting procedure.

Rear Vehicle Monitoring Control Module Connector 10-pin Type

Description

• The RVM indicator light (green) does not illuminate when the ignition is switched ON.

• RVM warning indicator light does not illuminate when ignition is switched ON.

Possible malfunction

Note

• The detection performance of the rear vehicle monitoring control module has limitations and the Rear vehicle monitoring system may not operate normally. For the detection performance limitations, refer to the [REAR VEHICLE MONITORING CONTROL MODULE] in the technical guide.

• Rear vehicle monitoring control module (RH) does not initiate.

― Open circuit in wiring harness between IG1 relay and rear vehicle monitoring control module (RH) terminal G

― C/U IG1 15 A fuse damage, burnt out

― Open circuit in wiring harness between rear vehicle monitoring control module (RH) terminal E and ground

― Poor ground (looseness, disengagement)

― Rear vehicle monitoring control module malfunction (internal malfunction)

• Rear vehicle monitoring control module (LH) does not initiate.

― Open circuit in wiring harness between IG1 relay and rear vehicle monitoring control module (LH) terminal G

― C/U IG1 15 A fuse damage, burnt out

― Open circuit in wiring harness between rear vehicle monitoring control module (LH) terminal E and ground

― Poor ground (looseness, disengagement)

― Rear vehicle monitoring control module malfunction (internal malfunction)

• RVM warning indicator light illumination circuit disabled.

― RVM warning indicator light malfunction

― Open or short circuit in wiring harness between rear vehicle monitoring control module (LH) and RVM warning indicator light

― Rear vehicle monitoring control module (LH) internal malfunction (RVM warning indicator light illumination circuit disabled)

• 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

DETERMINE IF MALFUNCTION CAUSE IS RVM INDICATOR LIGHT (GREEN) OR RVM WARNING INDICATOR LIGHT ILLUMINATION CIRCUIT

•  Switch the ignition ON (engine off or on).

•  Verify RVM indicator light (green) condition.

•  Does the RVM indicator light (green) illuminate?

Yes

Go to Step 3.

No

Go to the next step.

2

DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULE OR INSTRUMENT CLUSTER RELATED

•  Illuminate all the indicator lights and warning lights in the instrument cluster using the simulation function WL+IL in the M-MDS instrument cluster.
(See ACTIVE COMMAND MODES INSPECTION [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.)

3^*

DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULES OR RVM WARNING INDICATOR LIGHTS

•  Inspect the following:

RVM warning indicator light (RH) related:

―  RVM warning indicator light (RH)

―  Wiring harness between RVM warning indicator light (RH) terminal G and rear vehicle monitoring control module (LH) terminal I

―  Wiring harness between RVM warning indicator light (RH) terminal H and rear vehicle monitoring control module (LH) terminal H

RVM warning indicator light (LH) related:

―  RVM warning indicator light (LH)

―  Wiring harness between RVM warning indicator light (LH) terminal G and rear vehicle monitoring control module (LH) terminal B

―  Wiring harness between RVM warning indicator light (LH) terminal H and rear vehicle monitoring control module (LH) terminal F

•  Is any malfunction verified?

Yes

Repair or replace the malfunctioning location.

No

Replace the rear vehicle monitoring control module (LH).

(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)

4^*

INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) POWER SUPPLY SYSTEM

•  Switch the ignition ON (engine off or on).

•  Measure the voltage at rear vehicle monitoring control module (RH) terminal G.

•  Is the voltage B+?

Yes

Go to the next step.

No

Inspect the C/U IG1 15 A fuse.

If the fuse is burned out:

•  Inspect and repair the wiring harness between the C/U IG1 15 A fuse and rear vehicle monitoring control modules (RH/LH) terminal G for a short circuit to the ground system.

If the fuse is not damaged or burned out:

•  Inspect and repair the following wiring harness for an open circuit:

―  Between IG relay terminal 1B (IG1 relay) and rear vehicle monitoring control modules (RH/LH) terminal G

5^*

INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) GROUND SYSTEM

•  Switch the ignition off (LOCK).

•  Disconnect the rear vehicle monitoring control module (RH) connector.

•  Verify continuity between rear vehicle monitoring control module (RH) vehicle wiring harness-side connector terminal E 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.

Step	Inspection	Action
1	DETERMINE IF MALFUNCTION CAUSE IS RVM INDICATOR LIGHT (GREEN) OR RVM WARNING INDICATOR LIGHT ILLUMINATION CIRCUIT • Switch the ignition ON (engine off or on). • Verify RVM indicator light (green) condition. • Does the RVM indicator light (green) illuminate?	Yes	Go to Step 3.
No	Go to the next step.
2	DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULE OR INSTRUMENT CLUSTER RELATED • Illuminate all the indicator lights and warning lights in the instrument cluster using the simulation function WL+IL in the M-MDS instrument cluster. (See ACTIVE COMMAND MODES INSPECTION [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.)
3^*	DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULES OR RVM WARNING INDICATOR LIGHTS • Inspect the following: RVM warning indicator light (RH) related: ― RVM warning indicator light (RH) ― Wiring harness between RVM warning indicator light (RH) terminal G and rear vehicle monitoring control module (LH) terminal I ― Wiring harness between RVM warning indicator light (RH) terminal H and rear vehicle monitoring control module (LH) terminal H RVM warning indicator light (LH) related: ― RVM warning indicator light (LH) ― Wiring harness between RVM warning indicator light (LH) terminal G and rear vehicle monitoring control module (LH) terminal B ― Wiring harness between RVM warning indicator light (LH) terminal H and rear vehicle monitoring control module (LH) terminal F • Is any malfunction verified?	Yes	Repair or replace the malfunctioning location.
No	Replace the rear vehicle monitoring control module (LH). (See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
4^*	INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) POWER SUPPLY SYSTEM • Switch the ignition ON (engine off or on). • Measure the voltage at rear vehicle monitoring control module (RH) terminal G. • Is the voltage B+?	Yes	Go to the next step.
No	Inspect the C/U IG1 15 A fuse. If the fuse is burned out: • Inspect and repair the wiring harness between the C/U IG1 15 A fuse and rear vehicle monitoring control modules (RH/LH) terminal G for a short circuit to the ground system. If the fuse is not damaged or burned out: • Inspect and repair the following wiring harness for an open circuit: ― Between IG relay terminal 1B (IG1 relay) and rear vehicle monitoring control modules (RH/LH) terminal G
5^*	INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) GROUND SYSTEM • Switch the ignition off (LOCK). • Disconnect the rear vehicle monitoring control module (RH) connector. • Verify continuity between rear vehicle monitoring control module (RH) vehicle wiring harness-side connector terminal E 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.

Rear Vehicle Monitoring Control Module Connector 12-pin Type

Description

• The RVM indicator light (green) does not illuminate when the ignition is switched ON.

• RVM warning indicator light does not illuminate when ignition is switched ON.

Possible malfunction

• Rear vehicle monitoring control module (RH) does not initiate.

― Open circuit in wiring harness between IG1 relay and rear vehicle monitoring control module (RH) terminal F

― C/U IG1 15 A fuse damage, burnt out

― Open circuit in wiring harness between rear vehicle monitoring control module (RH) terminal H and ground

― Poor ground (looseness, disengagement)

― Rear vehicle monitoring control module malfunction (internal malfunction)

• Rear vehicle monitoring control module (LH) does not initiate.

― Open circuit in wiring harness between IG1 relay and rear vehicle monitoring control module (LH) terminal F

― C/U IG1 15 A fuse damage, burnt out

― Open circuit in wiring harness between rear vehicle monitoring control module (LH) terminal H and ground

― Poor ground (looseness, disengagement)

― Rear vehicle monitoring control module malfunction (internal malfunction)

• RVM warning indicator light illumination circuit disabled.

― RVM warning indicator light malfunction

― Open or short circuit in wiring harness between rear vehicle monitoring control module (LH) and RVM warning indicator light

― Rear vehicle monitoring control module (LH) internal malfunction (RVM warning indicator light illumination circuit disabled)

• 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

DETERMINE IF MALFUNCTION CAUSE IS RVM INDICATOR LIGHT (GREEN) OR RVM WARNING INDICATOR LIGHT ILLUMINATION CIRCUIT

•  Switch the ignition ON (engine off or on).

•  Verify RVM indicator light (green) condition.

•  Does the RVM indicator light (green) illuminate?

Yes

Go to Step 3.

No

Go to the next step.

2

DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULE OR INSTRUMENT CLUSTER RELATED

•  Illuminate all the indicator lights and warning lights in the instrument cluster using the simulation function WL+IL in the M-MDS instrument cluster.
(See ACTIVE COMMAND MODES INSPECTION [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.)

3^*

DETERMINE IF MALFUNCTION CAUSE IS REAR VEHICLE MONITORING CONTROL MODULES OR RVM WARNING INDICATOR LIGHTS

•  Inspect the following:

RVM warning indicator light (RH) related:

―  RVM warning indicator light (RH)

―  Wiring harness between RVM warning indicator light (RH) terminal G and rear vehicle monitoring control module (LH) terminal D

―  Wiring harness between RVM warning indicator light (RH) terminal H and rear vehicle monitoring control module (LH) terminal C

RVM warning indicator light (LH) related:

―  RVM warning indicator light (LH)

―  Wiring harness between RVM warning indicator light (LH) terminal G and rear vehicle monitoring control module (LH) terminal K

―  Wiring harness between RVM warning indicator light (LH) terminal H and rear vehicle monitoring control module (LH) terminal G

•  Is any malfunction verified?

Yes

Repair or replace the malfunctioning location.

No

Replace the rear vehicle monitoring control module (LH).

(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)

4^*

INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) POWER SUPPLY SYSTEM

•  Switch the ignition ON (engine off or on).

•  Measure the voltage at rear vehicle monitoring control module (RH) terminal F.

•  Is the voltage B+?

Yes

Go to the next step.

No

Inspect the C/U IG1 15 A fuse.

If the fuse is burned out:

•  Inspect and repair the wiring harness between the C/U IG1 15 A fuse and rear vehicle monitoring control modules (RH/LH) terminal F for a short circuit to the ground system.

If the fuse is not damaged or burned out:

•  Inspect and repair the following wiring harness for an open circuit:

―  Between IG relay terminal 1B (IG1 relay) and rear vehicle monitoring control modules (RH/LH) terminal F

5^*

INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) GROUND SYSTEM

•  Switch the ignition off (LOCK).

•  Disconnect the rear vehicle monitoring control module (RH) connector.

•  Verify continuity between rear vehicle monitoring control module (RH) vehicle wiring harness-side connector terminal H 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.