DTC P1397:00 [MZI-3.7]
id0102d2317500
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DTC P1397:00 |
System voltage out of self-test range |
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DETECTION CONDITION
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• This DTC indicates that the 12-volt system voltage is too high or too low during the KOEO or KOER self-test. It sets if the system voltage falls below or exceeds the calibrated threshold at any time during the KOEO or KOER self-test.
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POSSIBLE CAUSE
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• Battery or charging system concern.
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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 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 FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service 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 THE BATTERY
• Turn the ignition switch off.
• Inspect the battery.
• Is the battery normal?
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Yes
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Inspect charging system.
• If there is any malfunction, repair or replace malfunctioning part, then go to the next step.
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No
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Replace the battery, then go to the next step.
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4
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VERIFY TROUBLESHOOTING OF DTC P1397:00 HAS BEEN COMPLETED
• Verify that all disconnected connectors reconnected.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the KOEO or KOER self-test.
• Is the PENDING CODE for the 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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5
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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 [MZI-3.7].)
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No
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Troubleshooting completed.
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