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Q.
Do the inside/outside air selection damper control motor work normally?
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 Refer to Inspection procedure 10 "Malfunction of the A/C-ECU power supply
system  ."
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Check whether the air conditioner sets a diagnosis code or not.
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Q.
Is the check result normal?
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Refer to diagnosis code chart .
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Q.
Is the check result normal?
 Go to Step 4.
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.
(3)Turn the rear window defogger switch to the "ON" position.
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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 10.
Go to Step 5.
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Q.
Is the check result normal?
Go to Step 6.
Repair the connector.
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Refer to GROUP 54A, Rear Window Defogger .
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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 3 and body earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 9.
Go to Step 8.
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| note |
Prior to the wiring harness inspection, check junction block connector C-208, and repair
if necessary.
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- Check the rear window defogger relay power supply line for open and 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 B-228 and intermediate
connector E-11, and repair if necessary.
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- Check the rear window defogger relay line for open and 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 11.
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 13.
Go to Step 12.
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- Check the rear window defogger earth 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 or replace the wiring harness.
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Refer to GROUP 54A, Rear Window defogger .
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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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