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- Measure battery voltage during cranking.
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Q.
Is the check result normal?
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Check
battery (Refer to GROUP 54A - Battery - On-vehicle Service
- Battery
test ).
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Q.
Is the check result normal?
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Repair
or replace the connector.
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- Disconnect connector, and measure at male connector side.
- Ignition switch: ON
- Voltage between terminal No. 3 and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Check intermediate
connectors D-02, D-230,
D-403 and D-405, and repair if necessary. If intermediate connectors are
normal, check and repair
harness between B-20 (terminal No. 3) intermediate connector and D-309
(terminal No. 2) ignition switch
connector.
- Check power supply line for open/short circuit.
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Repair
or replace the connector.
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- Disconnect connector, and measure at female connector side.
- Ignition switch: ON
- Voltage between terminal No. 5 and earth.
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|
Q.
Is the check result normal?
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|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
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|
|
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- Check output line for short circuit.
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|
Q.
Is the check result normal?
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|
Repair
the damaged harness wire.
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|
|
|
- Check power supply line for open/short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
- Check power supply line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal No. 45 and earth.
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|
Q.
Is the check result normal?
|
|
Check and repair
harness between B-20 (terminal
No. 5) intermediate connector and D-244 (terminal No. 45) engine-ECU
<M/T> connector or
D-214 (terminal No. 45) engine-A/T-ECU <A/T>
connector.
- Check output line for short circuit.
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|
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- Measure engine-ECU <M/T> or engine-A/T-ECU <A/T>
terminal voltage.
- Engine: Idling after warm-up
- Transmission: Neutral <M/T> or P range
<A/T>
- Voltage between terminal No. 45 and earth.
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|
OK: Switching the headlamps to ON
from OFF causes the voltage to increase by 0.2 - 3.5
V.
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Q.
Is the check result normal?
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Q.
Does trouble symptom persist?
|
|
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
|
|
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Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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