DTC P0882[FS5A-EL]

id050221802800

DTC P0882

Battery back-up power supply circuit

DETECTION CONDITION

•  When the signal of the battery back-up power supply circuit is less than 2.5 V.

Diagnostic support note:

•  This is a continuous monitor (CCM).

•  The MIL does not illuminate if the TCM detects the above malfunction condition during the first drive cycle.

•  The PENDING CODE is available if the TCM detects the above malfunction condition during the first drive cycle.

•  FREEZE FRAME DATA is available.

•  The AT warning light not illuminates.

•  The DTC is stored in the TCM memory.

POSSIBLE CAUSE

•  Melted ENG+B 10 A fuse

•  Open circuit in wiring harness between battery positive terminal and TCM terminal J

•  Short to ground in wiring harness between battery positive terminal and TCM terminal J

•  Poor connection of TCM connector

•  TCM malfunction

DTC P0882	Battery back-up power supply circuit
DETECTION CONDITION	• When the signal of the battery back-up power supply circuit is less than 2.5 V. Diagnostic support note: • This is a continuous monitor (CCM). • The MIL does not illuminate if the TCM detects the above malfunction condition during the first drive cycle. • The PENDING CODE is available if the TCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA is available. • The AT warning light not illuminates. • The DTC is stored in the TCM memory.
POSSIBLE CAUSE	• Melted ENG+B 10 A fuse • Open circuit in wiring harness between battery positive terminal and TCM terminal J • Short to ground in wiring harness between battery positive terminal and TCM terminal J • Poor connection of TCM connector • TCM malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related Service Bulletins and or/on-line repair information availability. • Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. • If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	INSPECT FUSE • Turn the ignition switch to the LOCK position. • Inspect ENG+B 10 A fuse malfunction. • Is it normal?	Yes	Go to the next step.
3		No	• If fuse has been melted, go to the next step. • If fuse is not installed correctly, install it correctly, then go to Step 13.
4	INSPECT VOLTAGE OF POWER SUPPLY CIRCUIT • Turn the ignition switch to the ON position (engine off). • Inspect for voltage TCM connector terminal J (wiring harness-side). • Is the voltage B+?	Yes	Go to the next step.
4		No	Go go to Step 6.
5	INSPECT TERMINAL TCM CONNECTOR FOR POOR CONNECTION • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable. • Disconnect the TCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Are terminals normal?	Yes	Go go to Step 8.
5		No	Replace the couple component, then go to Step 8.
6	INSPECT POWER SUPPLY CIRCUIT FOR SHORT TO GROUND • Disconnect the positive battery cable. • Inspect for continuity between the TCM terminal J and body ground. • Is there continuity?	Yes	Repair or replace the wiring harness, then go to Step 8.
6		No	Go to the next step.
7	INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT • Inspect for continuity between TCM terminal J and ENG+B 10 A fuse terminal (wiring harness-side). • Is there continuity?	Yes	Go to the next step.
7		No	Repair or replace the harness, then go to the next step.
8	VERIFY TROUBLESHOOTING OF DTC P0882 COMPLETED • Make sure to reconnect all the disconnected connectors. • Clear the DTC from the memory using the M-MDS. • Start the engine and warm it up completely. • Is same DTC present?	Yes	Replace the TCM, then go to the next step. (See TCM REMOVAL/INSTALLATION[FS5A-EL].)
8		No	Go to the next step.
9	VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure”. (See AFTER REPAIR PROCEDURE[FS5A-EL].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE[FS5A-EL].)
9		No	Troubleshooting completed.