No.11 REAR WIPER CONTINUES OPERATING[WIPER/WASHER SYSTEM]

id0902h3814600

POSSIBLE CAUSE

• Malfunction in the wiper and washer switch

• Malfunction in the rear wiper relay

• Malfunction in the rear wiper motor

• Malfunction in the R.WIPER 10 A fuse

• Malfunction in the GEM

• Malfunction in the related wiring harness

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

INSPECT GEM DTC

Perform the DTC inspection.

Is the DTC displayed?

Yes

If the DTC B1244 is read, go to Step 4.

If the DTC B1611 is read, go to the next step.

No

Go to Step 6.

2

INSPECT WIPER AND WASHER SWITCH

Turn the ignition switch to the LOCK position.

Disconnect the wiper and washer switch connector.

Turn the ignition switch to the ON position.

Does the rear wiper stop operating?

Yes

Replace the wiper and washer switch.

Clear the DTC.

Repeat the DTC inspection.

No

Go to the next step.

3

INSPECT RELATED WIRING HARNESS FOR SHORT TO GROUND

Turn the ignition switch to the LOCK position.

Disconnect the GEM connector A.

Measure the resistance between wiper and washer switch terminal F and ground.

Measure the resistance between wiper and washer switch terminal J and ground.

Is the voltage more than 10,000 V?

Yes

Go to Step 8.

No

Repair the related wiring harness.

Clear the DTC.

Repeat the DTC inspection.

4

INSPECT RELATED WIRING HARNESS FOR SHORT TO GROUND

Turn the ignition switch to the LOCK position.

Disconnect the GEM connector.

Remove the rear wiper relay.

Measure the resistance between GEM terminal 1R and ground.

Is the voltage more than 10,000 V?

Yes

Go to the next step.

No

Repair the related wiring harness.

Clear the DTC.

Repeat the DTC inspection.

5

INSPECT REAR WIPER RELAY

Inspect the rear wiper relay. (See RELAY INSPECTION.)

Is the rear wiper relay normal?

Yes

Go to Step 8.

No

Replace the rear wiper relay.

Clear the DTC.

Repeat the DTC inspection.

6

INSPECT RELATED WIRING HARNESS FOR SHORT TO POWER SUPPLY

Turn the ignition switch to the LOCK position.

Disconnect the rear wiper motor connector.

Remove the rear wiper relay.

Measure the voltage at rear wiper motor terminal B.

Is the voltage displayed?

Yes

Go to the next step.

No

Repair the related wiring harness.

7

INSPECT REAR WIPER RELAY

Inspect the rear wiper relay. (See RELAY INSPECTION.)

Is the rear wiper relay normal?

Yes

Replace the rear wiper motor. (See REAR WIPER MOTOR REMOVAL/INSTALLATION.)

No

Replace the rear wiper relay.

Clear the DTC.

Repeat the DTC inspection.

8

INSPECT GEM FOR NORMAL OPERATION

Disconnect the GEM connector.

Inspect for the following items:

― Corrosion

― Terminal separation

Connect all the connectors and verify that their positions are correct.

Operate the system and inspect for any malfunction.

Is there any malfunction?

Yes

Replace the GEM.

Clear the DTC.

Repeat the DTC inspection.

No

Verify that the system operates normally at this stage.

The malfunction may result from loose connectors or corrosion.

Clear the DTC.

Repeat the DTC inspection.

STEP	INSPECTION		ACTION
1	INSPECT GEM DTC Perform the DTC inspection. Is the DTC displayed?	Yes	If the DTC B1244 is read, go to Step 4. If the DTC B1611 is read, go to the next step.
1		No	Go to Step 6.
2	INSPECT WIPER AND WASHER SWITCH Turn the ignition switch to the LOCK position. Disconnect the wiper and washer switch connector. Turn the ignition switch to the ON position. Does the rear wiper stop operating?	Yes	Replace the wiper and washer switch. Clear the DTC. Repeat the DTC inspection.
2		No	Go to the next step.
3	INSPECT RELATED WIRING HARNESS FOR SHORT TO GROUND Turn the ignition switch to the LOCK position. Disconnect the GEM connector A. Measure the resistance between wiper and washer switch terminal F and ground. Measure the resistance between wiper and washer switch terminal J and ground. Is the voltage more than 10,000 V?	Yes	Go to Step 8.
3		No	Repair the related wiring harness. Clear the DTC. Repeat the DTC inspection.
4	INSPECT RELATED WIRING HARNESS FOR SHORT TO GROUND Turn the ignition switch to the LOCK position. Disconnect the GEM connector. Remove the rear wiper relay. Measure the resistance between GEM terminal 1R and ground. Is the voltage more than 10,000 V?	Yes	Go to the next step.
4		No	Repair the related wiring harness. Clear the DTC. Repeat the DTC inspection.
5	INSPECT REAR WIPER RELAY Inspect the rear wiper relay. (See RELAY INSPECTION.) Is the rear wiper relay normal?	Yes	Go to Step 8.
5		No	Replace the rear wiper relay. Clear the DTC. Repeat the DTC inspection.
6	INSPECT RELATED WIRING HARNESS FOR SHORT TO POWER SUPPLY Turn the ignition switch to the LOCK position. Disconnect the rear wiper motor connector. Remove the rear wiper relay. Measure the voltage at rear wiper motor terminal B. Is the voltage displayed?	Yes	Go to the next step.
6		No	Repair the related wiring harness.
7	INSPECT REAR WIPER RELAY Inspect the rear wiper relay. (See RELAY INSPECTION.) Is the rear wiper relay normal?	Yes	Replace the rear wiper motor. (See REAR WIPER MOTOR REMOVAL/INSTALLATION.)
7		No	Replace the rear wiper relay. Clear the DTC. Repeat the DTC inspection.
8	INSPECT GEM FOR NORMAL OPERATION Disconnect the GEM connector. Inspect for the following items: ― Corrosion ― Terminal separation Connect all the connectors and verify that their positions are correct. Operate the system and inspect for any malfunction. Is there any malfunction?	Yes	Replace the GEM. Clear the DTC. Repeat the DTC inspection.
8		No	Verify that the system operates normally at this stage. The malfunction may result from loose connectors or corrosion. Clear the DTC. Repeat the DTC inspection.