|
If a rear fan switch signal is not
set to the A/C-ECU, the rear fan switch or the rear
fan switch circuit system may be defective.
|
|
- Malfunction of the rear fan switch
- Malfunction of the A/C-ECU
- Damaged harness wires and connectors
|
![](../../../img/55/AC313392AL00ENG.png)
|
Q.
Is the check result normal?
Go to Step
2.
Repair
the connector.
|
|
Q.
Is the check result normal?
|
|
Replace the rear fan
switch.
|
|
|
![](../../../img/55/AC313392AL00ENG.png)
|
(1)Disconnect the connector, and
measure at the wiring harness side. (2)Turn the ignition
switch to the ON position.
|
![](../../../img/55/AC310507BD00ENG.png)
|
(3)Measure the voltage between
terminal 1 and body earth. OK: System
voltage
Q.
Is the check result normal?
Go to Step
5.
Go to Step
4.
|
![](../../../img/55/AC313399AE00ENG.png)
|
note |
Prior to the wiring harness
inspection, check joint connector C-31 and
junction block connector C-205 and C-202, and
repair if necessary.
|
- Check the rear fan switch 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.
|
![](../../../img/55/AC313392AK00ENG.png)
|
Q.
Is the check result normal?
Go to Step
6.
Repair
the connector.
|
![](../../../img/55/AC313393AS00ENG.png)
|
- Check the rear fan switch activating lines for open
or short circuit.
Q.
Is the check result normal?
Go to Step
7.
Repair
the wiring harness.
|
|
Q.
Is the check result normal?
|
|
The trouble can be
an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
|
|
|