DTC B2973[PJB]
id090208836400
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DTC B2973 |
Running light relay circuit failure |
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DETECTION CONDITION
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Short to power supply or GND in PJB internal circuit between microcomputer and running light relay
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POSSIBLE CAUSE
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• Running light relay malfunction
• PJB malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT DTC
• Clear the DTC from the PJB memory using the M-MDS.
• Perform the self-test.
(See PJB SELF-TEST[PJB].)
• Is the same DTC present?
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Yes
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Go to the next step.
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No
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Troubleshooting completed.
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2
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INSPECT RUNNING LIGHT RELAY
• Inspect the running light relay.
(See RELAY INSPECTION.)
• Is there any malfunction?
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Yes
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Replace the running light relay, then go to the next step.
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No
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Go to the next step.
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3
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PJB memory using the M-MDS.
• Perform the self-test.
(See PJB SELF-TEST[PJB].)
• Is the same DTC present?
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Yes
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Replace the PJB.
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No
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Troubleshooting completed.
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