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Q.
Do the A/C work normally?
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YES <vehicles without rear panel power window> : Go to Step 2.
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YES <vehicles with rear panel power window> : Go to Step 4.
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 Refer to Inspection procedure 1 "Cool air does not come  ."
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Q.
Is the check result normal?
 Go to Step 3.
Repair the connector.
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(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the ignition switch to the "ON" position.
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(3)Disconnect A/C-ECU connector C-43 and earth terminal 14.
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(4)Measure the voltage between terminal 1 and body earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 15.
Go to Step 6.
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Q.
Is the check result normal?
Go to Step 5.
Repair the connector.
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(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the ignition switch to the "ON" position.
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(3)Disconnect A/C-ECU connector C-43 and earth terminal 14.
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(4)Measure the voltage between terminal 2 and body earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 18.
Go to Step 6.
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Q.
Is the check result normal?
Go to Step 7.
Repair the connector.
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Q.
Is the rear window defogger relay in good condition?
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Replace the rear window defogger relay.
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(1)Remove the relay, and measure at the junction block side.
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(2)Measure the voltage between terminal 4 and body earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 10.
Go to Step 9.
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| note |
Prior to the wiring harness inspection, check junction block connector C-213, and repair
if necessary.
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- Check the rear window defogger relay power supply line for open or short
circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair the wiring harness.
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(1)Remove the relay, and measure at the junction block side.
(2)Turn the ignition switch to the "ON" earth position.
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(3)Voltage between terminal 1 and body earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 12.
Go to Step 11.
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| note |
Prior to the wiring harness inspection, check junction block connector C-207, and repair
if necessary.
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- Check the rear window defogger power supply line for open circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair the wiring harness.
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| note |
Prior to the wiring harness inspection, check junction block connector C-208 and intermediate
connector C-15, and repair if necessary.
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- Check the rear window defogger power supply line for open circuit.
Q.
Is the check result normal?
YES <vehicles without rear panel power window> : Go to Step 13.
YES <vehicles with rear panel power window> : Go to Step 14.
Repair the wiring harness.
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| note |
Prior to the wiring harness inspection, check junction block connector C-212, and repair
if necessary.
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- Check the rear window defogger relay line for open or short circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair the wiring harness.
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| note |
Prior to the wiring harness inspection, check junction block connector C-212, and repair
if necessary.
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- Check the rear window defogger relay line for open or short circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair the wiring harness.
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Q.
Is the check result normal?
Go to Step 16.
Repair the connector.
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(1)Disconnect the connector, and measure at the wiring harness side.
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(2)Continuity between terminal 1 and body earth.
OK: Continuity (Less than 2Ω)
Q.
Is the check result normal?
Go to Step 20.
Go to Step 17.
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- Check the rear window defogger earth line for open or short circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair or replace the wiring harness.
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(1)Disconnect the connector, and measure at the wiring harness side.
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(2)Continuity between terminal 1 and body earth.
OK: Continuity (Less than 2Ω)
Q.
Is the check result normal?
Go to Step 20.
Go to Step 19.
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- Check the rear window defogger earth line for open or short circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair or replace the wiring harness.
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Refer to GROUP 54A, Rear Window rear window defogger Inspection .
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Q.
Does the rear window defogger work normally?
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The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
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Repair the rear window defogger.
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