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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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Confirm the diagnosis code is set from the engine-ECU.
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Q.
Is the diagnosis code set?
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Perform the troubleshooting of the engine-ECU (Refer to GROUP 13C - Troubleshooting - Inspection Chart for Diagnosis Code ).
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NO (Vehicles without OSS) : Go to Step 4.
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NO (Vehicles with OSS) : Go to Step 3.
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Confirm the diagnosis code is set from the KOS-ECU.
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Q.
Is the diagnosis code set?
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Perform the troubleshooting of the KOS-ECU (Refer to GROUP 42B - Troubleshooting - Inspection Chart for Diagnosis Code).
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OK:
ON (Ignition switch: ST) OFF (Ignition switch: ON)
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Q.
Is the check result normal?
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- Do not disconnect connector.
- Clutch pedal: Fully depressed
- Ignition switch: ST
- Voltage between terminal ST and earth.
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Q.
Is the check result normal?
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NO <Vehicles without OSS> : Go to Step 6.
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NO <Vehicles with OSS> : Go to Step 7.
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Check ignition switch itself (Refer to GROUP 54A - Ignition Switch - Inspection - Ignition Switch Continuity Check).
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Q.
Is the check result normal?
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|
Repair the connector(s), or check and repair of short to power supply, short to earth, open circuit, and harness damage in ST line between ignition switch connector and ETACS-ECU connector.
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|
Replace the ignition switch.
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|
Q.
Is the check result normal?
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|
Perform the troubleshooting of the OSS-ECU (Refer to GROUP 42B - Troubleshooting <OSS-ECU> - Symptom Chart ).
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Repair the connector(s) or wiring harness.
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- Disconnect connectors, and check at ETACS-ECU side.
- Continuity check between terminal ST and ST2.
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|
Q.
Is the check result normal?
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|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
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|
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
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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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Check the starter relay itself (Refer to GROUP 16 - Starting System - On-vehicle Service - Starter Relay Continuity Check ).
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Q.
Is the check result normal?
|
|
Replace the starter relay.
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|
|
|
- Remove the relay, and measure at relay box side.
- Resistance between terminal earth line and body earth.
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|
OK: Continuity (2 Ω or less)
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|
Q.
Is the check result normal?
|
|
Repair the connector(s), or check of open circuit, and harness damage in earthing line between starter relay connector and body earth.
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|
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|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
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|
|
|
Check the inhibitor switch (Refer to GROUP 23A - On- Vehicle Service - Essential Service - Inhibitor Switch Continuity Check ).
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|
Q.
Does the trouble symptom persist?
|
|
Replace the inhibitor switch.
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|
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
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|
|
|
Check signal line for open/short circuit and damage.
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|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring harness.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the terminal(s) or wiring harness.
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|
|
|
After replacing the starter assembly, re-check the trouble symptoms.
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|
Q.
Is the check result normal?
|
|
The procedure is complete.
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