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Q.
Are the check results normal?
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Repair or replace the connector.
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- Check ignition coil itself (Refer to GROUP 16 -
Ignition System -
On-vehicle
Service -
Ignition Coil Check ).
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Q.
Is the check result normal?
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Replace the ignition coil.
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- Disconnect connector and measure at harness side.
- Ignition switch: ON
- Voltage between terminal No. 3 and earth.
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Q.
Are the check results normal?
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Q.
Is the check result normal?
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Check intermediate connectors A-13, B-44*,
and repair if necessary. If intermediate connectors are normal, check and repair harness between
A-33X (terminal No. 2) engine control relay connector and B-24, B-25, B-26, B-27, B-39 and B-42 (terminal
No. 3) ignition coil connectors.
- 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 harness side.
- Resistance between terminal No. 1 and earth.
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OK: Continuity (2 Ω
or less)
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Q.
Are the check results normal?
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Check intermediate connector B-44*,
and repair if necessary. If intermediate connector is normal, check and repair harness between
B-24, B-25, B-26, B-27, B-39 and B-42 (terminal No. 1) ignition coil connectors and body earth.
- Check earthing line for open circuit and damage.
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- Check and repair harness between B-24 (terminal No.
2) ignition coil connector and B-29 (terminal No. 4) engine-ECU connector
- Check and repair harness between B-25 (terminal No. 2) ignition coil connector and
B-29 (terminal No. 5) engine-ECU connector
- Check and repair harness between B-26 (terminal No. 2) ignition coil connector and
B-29 (terminal No. 20) engine-ECU connector
- Check and repair harness between B-27 (terminal No. 2) ignition coil connector and
B-29 (terminal No. 21) engine-ECU connector
- Check and repair harness between B-39 (terminal No. 2) ignition coil connector and
B-29 (terminal No. 52) engine-ECU connector
- Check and repair harness between B-42 (terminal No. 2) ignition coil connector and
B-29 (terminal No. 53) engine-ECU connector
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- Check signal line for open/short circuit and damage.
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Q.
Are the check results normal?
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Repair the damaged harness wire.
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- Check power supply line for damage.
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Q.
Are the check results normal?
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Repair the damaged harness wire.
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- Check whether the spark plug connected to each ignition coil can spark at
engine cranking.
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Q.
Is the check result normal?
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Q.
Does the trouble symptom persist?
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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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