DTC P0884:00 [FN4A-EL]
id050218824700
DTC P0884:00 |
Battery voltage low |
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DETECTION CONDITION
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• The input voltage from battery is 8.25 V or more for 10 s when the engine speed is 500 rpm or more.
Diagnostic support note:
• The check engine light illuminates if the PCM detects the above malfunction conditions during the first drive cycle.
• PENDING CODE is available.
• FREEZE FRAME DATA is available.
• The automatic transaxle warning light illuminates if the PCM detects the above malfunction conditions during the first drive cycle.
• The DTC is stored in the PCM memory.
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POSSIBLE CAUSE
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• Blown fuse
• Main relay malfunction
• Main relay connector or terminal malfunction
• Short to GND in wiring harness between battery positive terminal and PCM terminal 1BJ
• Open circuit in wiring harness between battery positive terminal and PCM terminal 1BJ
• PCM connector or terminal malfunction
• PCM malfunction
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Diagnostic procedure
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 on the repair order?
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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 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 FUSE
• Switch the ignition off.
• Disconnect the battery negative cable.
• Inspect the MAIN 200A, ENG. MAIN 40A and ENGINE1 15A fuse for proper installation and failure.
• Are these fuses normal?
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Yes
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Go to the next step.
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No
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• If a fuse is not installed correctly, install it correctly. Then go to Step 10.
• If a fuse has blown, replace it. Then go to Step 10.
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4
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INSPECT MAIN RELAY
• Remove the main relay.
• Inspect the main relay.
(See RELAY INSPECTION.)
• Is the main relay normal?
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Yes
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Go to the next step.
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No
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Replace the main relay, then go to Step 10.
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5
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INSPECT MAIN RELAY CONNECTOR FOR POOR CONNECTION
• Inspect for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 10.
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No
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Go to the next step.
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6
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INSPECT POWER SUPPLY CIRCUIT FOR SHORT TO GND
• Disconnect the battery positive cable.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to GND, then go to Step 10.
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No
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Go to the next step.
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7
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INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between main relay terminal C (wiring harness-side) and battery positive terminal (wiring harness-side).
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 10.
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8
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 10.
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No
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Go to the next step.
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9
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INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between main relay terminal D (wiring harness-side) and PCM terminal 1BJ (wiring harness-side).
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to next step.
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10
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the following procedure to ensure that the DTC has been resolved:
• Is the same DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to the next step.
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11
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VERIFY NO DTCs ARE PRESENT
• Perform the “Reading DTCs Procedure”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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