![](../../../img/13/AK301005AC00ENG.png)
|
Q.
Is the check result normal?
Go to Step 2
.
Repair or
replace.
|
|
- Check A/C compressor relay (Refer to GROUP 55
- On-vehicle Service
).
|
|
Q.
Is the check result normal?
|
|
Replace A/C
compressor relay.
|
|
|
![](../../../img/13/AK301005AC00ENG.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 5
.
Go to Step 4
.
|
![](../../../img/13/AK305894AB00ENG.png)
![](../../../img/13/AK301005AC00ENG.png)
|
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
intermediate connectors C-17, C-31*1,
C-01*2, C-205 and C-202 and repair if
necessary. If intermediate connectors
are normal, check and repair harness between B-16X
(terminal No. 3) A/C compressor relay connector
and C-307 (terminal No. 4) ignition switch
connector.
- Check power supply line for open/short
circuit.
Repair or
replace.
|
![](../../../img/13/AK301005AC00ENG.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 6
.
![](../../../buttons/03btn002.png)
Check
intermediate connector A-16, and repair
if necessary. If intermediate connector is normal, check
and repair harness between B-16X (terminal
No. 4) A/C compressor relay connector and
battery.
- Check power supply line for open/short
circuit.
|
![](../../../img/13/AK305637AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 7
.
Repair or
replace.
|
![](../../../img/13/AK305637AB00ENG.png)
![](../../../img/13/AK301005AC00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Remove B-16X (terminal No. 1 and No. 4) A/C
compressor relay and short-circuit of
harness side connector.
- Ignition switch: ON
- Voltage between terminal No. 1 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 8
.
![](../../../buttons/03btn002.png)
Check
and repair harness between B-120 (terminal No.
1) A/C compressor assembly connector and B-16X (terminal
No. 1) A/C compressor relay
connector.
- Check power supply line for open/short
circuit.
|
![](../../../img/13/AK305618AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 9
.
Repair or
replace.
|
![](../../../img/13/AK305618AB00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 8*3 or
No. 16*4 and
earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step
12 .
Go to Step
10 .
|
![](../../../img/13/AK301005AC00ENG.png)
![](../../../img/13/AK305618AB00ENG.png)
|
- Check earthing line for open/short circuit.
Q.
Is the check result normal?
Go to Step
11 .
Repair.
|
|
- Item 49: A/C relay
- Engine: Idling
- A/C set
temperature:
Maximum Cool
when temperature in cabin is 25°C or
more Maximum Hot when temperature in cabin is
25°C or less
|
|
OK:
ON
(when A/C is ON) OFF (when A/C is
OFF)
|
|
Q.
Is the check result normal?
|
|
Intermittent
malfunction (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection
Service Points ).
|
|
|
|
Replace engine-ECU
<M/T> or engine-A/T-ECU
<A/T>.
|
|
|
![](../../../img/13/AK301005AC00ENG.png)
![](../../../img/13/AK305618AB00ENG.png)
|
- Check earthing line for damage.
Q.
Is the check result normal?
Go to Step
13 .
Repair.
|
![](../../../img/13/AK305894AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step
14 .
Repair
or replace.
|
![](../../../img/13/AK305894AB00ENG.png)
![](../../../img/13/AK301005AC00ENG.png)
|
note |
Before checking harness, check
intermediate connectors C-17,
C-31*1,C-01*2,
C-205,and C-202 and repair if
necessary.
|
- Check power supply line for damage.
Q.
Is the check result normal?
Go to Step
15 .
Repair.
|
![](../../../img/13/AK301005AC00ENG.png)
|
note |
Before checking harness, check
intermediate connector A-16, and repair if
necessary.
|
- Check power supply line for damage.
Q.
Is the check result normal?
Go to Step
16 .
Repair.
|
![](../../../img/13/AK301005AC00ENG.png)
![](../../../img/13/AK305637AB00ENG.png)
|
- Check output line for damage.
Q.
Is the check result normal?
Replace A/C
compressor magnet clutch.
Repair.
|