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STEP
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INSPECTION
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ACTION
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1
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INSPECT GEM DTC
Perform the DTC inspection.
Is the DTC displayed?
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Yes
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If the DTC B1244 is read, go to Step 5.
If the DTC B1245 is read, go to Step 8.
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No
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Go to the next step.
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2
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INSPECT WIPER AND WASHER SWITCH
Turn the ignition switch to the LOCK position.
Turn the wiper and washer switch to the ON position.
With the wiper and washer switch connected, measure the resistance between wiper and washer switch terminal F and ground.
Is the resistance less than 5 ohms?
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Yes
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Go to Step 4.
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No
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Go to the next step.
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3
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INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Measure the resistance between wiper and washer switch terminal L and ground.
Is the resistance less than 5 ohms?
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Yes
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Replace the wiper and washer switch.
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No
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Repair the related wiring harness.
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4
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INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Disconnect the GEM connector.
Measure the resistance between GEM terminal 1H and wiper and washer switch terminal F.
Is the resistance less than 5 ohms?
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Yes
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Go to Step 10.
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No
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Repair the related wiring harness.
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5
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INSPECT RELATED WIRING HARNESS VOLTAGE
Turn the ignition switch to the LOCK position.
Disconnect the GEM connector.
Turn the ignition switch to the ON position.
Measure the voltage at GEM terminal 1R.
Is the voltage more than 10 V?
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Yes
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Go to Step 14.
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No
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Go to the next step.
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6
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INSPECT RELATED WIRING HARNESS FOR SHORT TO GROUND
Turn the ignition switch to the LOCK position.
Remove the rear wiper relay.
Measure the resistance between GEM terminal 1R and ground.
Is the resistance more than 10,000 ohms?
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Yes
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Go to the next step.
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No
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Repair the related wiring harness.
Clear the DTC.
Repeat the DTC inspection.
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7
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INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Measure the resistance between GEM terminal 1R and CJB J-05 terminal P.
Is the resistance less than 5 ohms?
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Yes
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Go to Step 9.
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No
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Repair the related wiring harness.
Repair the CJP if necessary.
Clear the DTC.
Repeat the DTC inspection.
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8
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INSPECT RELATED WIRING HARNESS FOR SHORT TO POWER SUPPLY
Turn the ignition switch to the LOCK position.
Remove the rear wiper relay.
Disconnect the GEM connector.
Turn the ignition switch to the ON position.
Measure the voltage at GEM terminal 1R.
Is the voltage displayed?
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Yes
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Repair the related wiring harness.
Clear the DTC.
Repeat the DTC inspection.
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No
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Go to Step 9.
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9
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INSPECT REAR WIPER RELAY
Remove the rear wiper relay.
Inspect the rear wiper relay. (See RELAY INSPECTION.)
Is the rear wiper relay normal?
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Yes
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Go to Step 14.
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No
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Repair the related wiring harness.
Clear the DTC.
Repeat the DTC inspection.
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10
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INSPECT RELATED WIRING HARNESS VOLTAGE
Connect the GEM connector.
Disconnect the rear wiper motor connector.
Turn the ignition switch to the ON position.
Using the GEM active command, turn the rear wiper relay on.
Measure the voltage at rear wiper motor terminal B.
Is the voltage more than 10 V?
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Yes
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Go to the next step.
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No
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Go to Step 12.
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11
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INSPECT REAR WIPER MOTOR GROUND
Turn the ignition switch to the LOCK position.
Measure the resistance between rear wiper motor terminal C and ground.
Is the resistance less than 5 ohms?
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Yes
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Replace the rear wiper motor.
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No
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Repair the related wiring harness.
Clear the DTC.
Repeat the DTC inspection.
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12
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INSPECT RELATED WIRING HARNESS FOR OPEN CIRCUIT
Turn the ignition switch to the LOCK position.
Remove the rear wiper relay.
Measure the resistance between rear wiper motor terminal B and CJB J-01 terminal H.
Is the resistance less than 5 ohms?
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Yes
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Go to the next step.
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No
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Repair the related wiring harness.
Clear the DTC.
Repeat the DTC inspection.
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13
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INSPECT REAR WIPER RELAY
Remove the rear wiper relay.
Inspect the rear wiper relay. (See RELAY INSPECTION.)
Is the rear wiper relay normal?
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Yes
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Go to the next step.
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No
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Replace the rear wiper relay.
Clear the DTC.
Repeat the DTC inspection.
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14
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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?
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Yes
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Replace the GEM.
Clear the DTC.
Repeat the DTC inspection.
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No
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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.
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