DTC B11F2:23 [REAR VEHICLE MONITORING SYSTEM]

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Malfunction location

• RVM switch circuit

Detection condition

• RVM switch circuit short to ground is detected for 120 s or more.

Possible Causes

• Short to ground in wiring harness between RVM switch terminal I and rear vehicle monitoring control module (RH) terminal D (L.H.D.)

• Short to ground in wiring harness between RVM switch terminal C and rear vehicle monitoring control module (RH) terminal D (R.H.D.)

• RVM switch malfunction

• Rear vehicle monitoring control module (RH) malfunction

System Diagram

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Diagnostic Procedure

Step

Inspection

Action

1

INSPECT RVM SWITCH CIRCUIT FOR SHORT CIRCUIT TO GROUND

•  Disconnect the negative battery cable.

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

•  Disconnect the RVM switch connector.

•  Inspect the wiring harness for continuity between the following rear vehicle monitoring control module (RH) connector and body ground.

―  Terminal D to body ground

•  Is there continuity?

Yes

Repair or replace the malfunctioning wiring harness.

Verify that the repairs have been completed.

No

Go to the next step.

2

INSPECT RVM SWITCH

•  Inspect the RVM switch.
(See RVM SWITCH INSPECTION.)

•  Is the RVM switch normal?

Yes

Go to the next step.

No

Replace the RVM switch.

Verify that the repairs have been completed.

3

VERIFY CORRECTION COMPLETED

•  Switch the ignition off (LOCK).

•  Disconnect the negative battery cable.

•  Reconnect the disconnected connectors.

•  Connect the negative battery cable.

•  Clear DTCs using the M-MDS. (See CLEARING DTC [REAR VEHICLE MONITORING SYSTEM].)

•  Perform the rear vehicle monitoring control module DTC inspection using the M-MDS.
(See DTC INSPECTION [REAR VEHICLE MONITORING SYSTEM].)

•  Is DTC B11F2:23 displayed?

Yes

Replace the rear vehicle monitoring control module (RH).

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

No

DTC troubleshooting completed.

4

VERIFY THAT NO OTHER DTCs ARE RECORDED

•  Are any other DTCs displayed?

Yes

Perform the corresponding DTC inspection.

No

DTC troubleshooting completed.

Step	Inspection		Action
1	INSPECT RVM SWITCH CIRCUIT FOR SHORT CIRCUIT TO GROUND • Disconnect the negative battery cable. • Disconnect the rear vehicle monitoring control module (RH) connector. • Disconnect the RVM switch connector. • Inspect the wiring harness for continuity between the following rear vehicle monitoring control module (RH) connector and body ground. ― Terminal D to body ground • Is there continuity?	Yes	Repair or replace the malfunctioning wiring harness. Verify that the repairs have been completed.
1		No	Go to the next step.
2	INSPECT RVM SWITCH • Inspect the RVM switch. (See RVM SWITCH INSPECTION.) • Is the RVM switch normal?	Yes	Go to the next step.
2		No	Replace the RVM switch. Verify that the repairs have been completed.
3	VERIFY CORRECTION COMPLETED • Switch the ignition off (LOCK). • Disconnect the negative battery cable. • Reconnect the disconnected connectors. • Connect the negative battery cable. • Clear DTCs using the M-MDS. (See CLEARING DTC [REAR VEHICLE MONITORING SYSTEM].) • Perform the rear vehicle monitoring control module DTC inspection using the M-MDS. (See DTC INSPECTION [REAR VEHICLE MONITORING SYSTEM].) • Is DTC B11F2:23 displayed?	Yes	Replace the rear vehicle monitoring control module (RH). (See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
3		No	DTC troubleshooting completed.
4	VERIFY THAT NO OTHER DTCs ARE RECORDED • Are any other DTCs displayed?	Yes	Perform the corresponding DTC inspection.
4		No	DTC troubleshooting completed.