DTC P0380:4B [MZ-CD 1.6]
id0102g8528000
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DTC P0380:4B |
Glow plug control circuit over temperature |
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DETECTION CONDITION
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• The powerstage detects an over temperature error.
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POSSIBLE CAUSE
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• Glow plug control module malfunction
• Glow plug malfunction
• Connector or terminal malfunction
• PCM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related service repair information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, 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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INSPECT GLOW PLUG CONTROL MODULE CONNECTOR FOR POOR CONNECTION
• Switch the ignition to off.
• Disconnect the glow plug control module connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 8.
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No
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Go to the next step.
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4
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INSPECT GLOW PLUG CONTROL MODULE
• Inspect the glow plug control module.
• Is there any malfunction?
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Yes
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Replace the glow plug control module, then go to Step 8.
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No
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Go to the next step.
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5
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INSPECT GLOW PLUG CONNECTOR FOR POOR CONNECTION
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the suspected terminal, then go to Step 8.
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No
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Go to the next step.
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6
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INSPECT GLOW PLUG
• Inspect the glow plug and glow plug code.
• Is there any malfunction?
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Yes
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Replace the glow plug and/or glow plug code, then go to Step 8.
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No
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Go to the next step.
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7
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out terminals, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the suspected terminal, then go to the next step.
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No
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Go to the next step.
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8
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VERIFY THAT DTC P0380:4B TROUBLESHOOTING IS COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Run the vehicle under the FREEZE FRAME DATA stored condition.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
Go to the next step.
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No
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Go to the next step.
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9
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VERIFY AFTER REPAIR PROCEDURE
• Perform the after repair procedure.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [MZ-CD 1.6].)
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No
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DTC troubleshooting completed.
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