|
- Measure battery voltage at cranking.
|
|
Q.
Is the check result normal?
|
|
Check battery (Refer
to GROUP 54A - Battery - On-vehicle Service
- Battery
test ).
|
|
|
![](../../../img/13/AK305832AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 3
.
Repair or
replace.
|
|
- Check engine control relay itself (Refer to
).
|
|
Q.
Is the check result normal?
|
|
Replace engine
control relay.
|
|
|
![](../../../img/13/AK305832AB00ENG.png)
|
- Remove relay, and measure at relay box
side.
- Voltage between terminal No. 3 and earth, also
between terminal No. 4 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 5
.
![](../../../buttons/03btn002.png)
Check
intermediate connector A-16, and repair
if necessary. If intermediate connector is normal, check
and repair harness between B-15X (terminal
No. 3 and terminal No. 4) engine control relay connector
and battery.
- Check power supply line for open/short
circuit.
|
![](../../../img/13/AK305845AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 6
.
Repair or
replace.
|
![](../../../img/13/AK305845AB00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 34 and earth, also
between terminal No. 43 and earth.
OK: System voltage
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
and repair harness between B-15X (terminal No.
2) engine control relay connector and C-111 (terminal
No. 57) engine-A/T-ECU connector.
- Check earthing line for short
circuit.
Go to Step 7
.
|
![](../../../img/13/AK305832AB00ENG.png)
![](../../../img/13/AK305845AB00ENG.png)
|
note |
Before checking harness, check
intermediate connector C-116, and repair if
necessary.
|
- Check power supply line for open/short circuit and
damage.
Q.
Is the check result normal?
Go to Step 8
.
Repair.
|
![](../../../img/13/AK305845AB00ENG.png)
|
- Measure engine-A/T-ECU terminal voltage.
- Ignition switch: ON
- Voltage between terminal No. 50 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step
11 .
Go to Step 9
.
|
![](../../../img/13/AK305862AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step
10 .
Repair
or replace.
|
|
- Check ignition switch itself (Refer to GROUP 54A
- Ignition Switch - Ignition
Switch - Inspection
).
|
|
Q.
Is the check result normal?
|
|
![](../../../buttons/03btn001.png)
Check
intermediate connector C-18, C-205 and
C-202, and repair if necessary. If intermediate
connector is normal, check and repair harness between
C-307 (terminal No. 2) ignition switch connector and
C-111 (terminal No. 50) engine-A/T-ECU
connector.
- Check output line for open/short
circuit.
|
|
|
![](../../../img/13/AK305832AB00ENG.png)
![](../../../img/13/AK305845AB00ENG.png)
|
- Check earthing line for open circuit and
damage.
Q.
Is the check result normal?
Go to Step
12 .
![](../../../buttons/03btn002.png)
|
![](../../../img/13/AK305832AB00ENG.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
13 .
Repair.
|
![](../../../img/13/AK305862AB00ENG.png)
![](../../../img/13/AK305845AB00ENG.png)
|
note |
Before checking harness, check
intermediate connectors C-18, C-205 and C-202
and repair
if necessary.
|
- Check output line for damage.
Q.
Is the check result normal?
Go to Step
14 .
Repair.
|
![](../../../img/13/AK305845AB00ENG.png)
|
note |
Before checking harness, check
intermediate connector C-115 and repair if
necessary.
|
- Check earthing line for damage.
Q.
Is the check result normal?
Replace
engine-A/T-ECU.
Repair.
|