caution | When replacing the ECU, always
check that the communication circuit is normal. |
DIAGNOSIS PROCEDURE |
STEP 1. Check of open circuit in PWR line between electric steering lock connector and fusible link |
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Q.
Is the check result normal?
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Go to Step 2. |
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Repair the connector(s) or wiring harness. |
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STEP 2. Check of short to power supply, short to earth, and open circuit in PCO line between electric steering lock connector and OSS-ECU connector |
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Q.
Is the check result normal?
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Go to Step 3. |
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Repair the connector(s) or wiring harness. |
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STEP 3. Check of short to power supply, short to earth, and open circuit in LIN line between electric steering lock connector and OSS-ECU connector |
Q.
Is the check result normal?
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Go to Step 4. |
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Repair the connector(s) or wiring harness. |
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STEP 4. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnosis code. |
Q.
Is the diagnosis code set?
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Replace the electric steering lock and register the chassis number (Refer to ).
Then go to Step 5. |
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Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ). |
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STEP 5. Check whether the diagnosis code is reset. |
Q.
Is the diagnosis code set?
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Replace the OSS-ECU and register the chassis number (Refer to ). |
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The diagnosis is complete. |
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