![](../../../img/13/AK305884AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 2
.
Repair or
replace.
|
|
- Check fan control relay (Refer to GROUP 14 -
On-vehicle Service - Fan Control Relay
Continuity Check
).
|
|
Q.
Is the check result normal?
|
|
Replace fan control
relay.
|
|
|
![](../../../img/13/AK305884AB00ENG.png)
|
- Remove relay and measure at relay box side.
- Resistance between terminal No. 1 and
earth.
OK: 2 Ω or less
Q.
Is the check result normal?
Go to Step 4
.
![](../../../buttons/03btn002.png)
- Check earth connector A-25, and repair if necessary.
If earth connector is normal, check and repair
harness between A-13X (terminal No. 1) fan control
relay connector and A-25 (terminal No. 5) earth
connector.
- Check earthing line for open circuit
and damage.
|
![](../../../img/13/AK305884AB00ENG.png)
|
- Remove relay and measure at relay box side.
- Ignition switch: ON
- Voltage between terminal No. 3 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 6
.
Go to Step 5
.
|
![](../../../img/13/AK305832AB00ENG.png)
![](../../../img/13/AK305884AB00ENG.png)
|
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
intermediate connectors A-16 and C-116, and repair if
necessary. If intermediate connectors are normal, check
and repair harness between B-15X (terminal No. 1) engine
control relay connector and A-13X (terminal No. 3) fan
control relay connector.
- Check power supply line for open/short
circuit.
Repair or
replace.
|
![](../../../img/13/AK305884AB00ENG.png)
|
- Remove relay, and measure at relay box
side.
- Voltage between terminal No. 4 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 7
.
![](../../../buttons/03btn002.png)
Check
and repair harness between battery and A-13X (terminal
No. 4) fan control relay connector.
- Check power supply line for open/short
circuit.
|
![](../../../img/13/AK300999AC00ENG.png)
|
Q.
Is the check result normal?
Go to Step 8
.
Repair or
replace.
|
![](../../../img/13/AK300999AC00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 3 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step
12 .
Go to Step 9
.
|
![](../../../img/13/AK305884AB00ENG.png)
![](../../../img/13/AK300999AC00ENG.png)
|
- Check power supply line for open/short
circuit.
Q.
Is the check result normal?
Go to Step
10 .
Repair.
|
![](../../../img/13/AK305832AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step
11 .
Repair
or replace.
|
![](../../../img/13/AK305832AB00ENG.png)
![](../../../img/13/AK305884AB00ENG.png)
|
note |
Before checking harness, check
intermediate connectors A-16 and C-116, and
repair if necessary.
|
- Check power supply line for damage.
Q.
Is the check result normal?
Intermittent
malfunction (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points ).
Repair.
|
![](../../../img/13/AK305836AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step
13 .
Repair
or replace.
|
![](../../../img/13/AK305836AB00ENG.png)
|
- Disconnect C-110 engine-A/T-ECU connector.
- Ignition switch: ON
OK: Fan motor rotates.
Q.
Is the check result normal?
Go to Step
14 .
Go to Step
15 .
|
|
Q.
Is the check result normal?
|
|
Intermittent
malfunction (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points ).
|
|
|
![](../../../img/13/AK305836AB00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 17 and earth.
OK: 4.9 - 5.1 V
Q.
Is the check result normal?
Go to Step
16 .
Go to Step
18 .
|
![](../../../img/13/AK305884AB00ENG.png)
|
- Check power supply line for damage.
Q.
Is the check result normal?
Go to Step
17 .
Repair.
|
![](../../../img/13/AK305884AB00ENG.png)
![](../../../img/13/AK300999AC00ENG.png)
|
- Check power supply line for damage.
Q.
Is the check result normal?
Replace fan motor
and fan controller.
Repair.
|
![](../../../img/13/AK300999AC00ENG.png)
![](../../../img/13/AK305836AB00ENG.png)
|
note |
Before checking harness, check
intermediate connector A-16, and repair if
necessary.
|
- Check earthing line for short circuit.
Q.
Is the check result normal?
Replace fan motor
and fan controller.
Repair.
|