DTC P084C: Short in Line Pressure Switch Circuit, or Line Pressure Switch Stuck ON
WARNING: This page is about a different variant/trim than selected.
NOTE:
- Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review GENERAL TROUBLESHOOTING INFORMATION .
- If DTC P084C is stored in the PCM, engine torque is restricted because of the fail-safe function.
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Check the Line Pressure Switch signal with the HDS in the A/T Data List.
Is the Line Pressure Switch ON?
YES -Go to step 4.
NO -Intermittent failure, the system is OK at this time.
- Turn the ignition switch to LOCK (0).
- Disconnect the line pressure switch connector.
- Turn the ignition switch to ON (II).
- Check the Line Pressure Switch signal with the HDS in the A/T Data List.
Is the Line Pressure Switch OFF?
YES -Replace the line pressure switch (see LINE PRESSURE SWITCH REPLACEMENT ).
NO -Go to step 8.
- Turn the ignition switch to LOCK (0).
- Jump the SCS line with the HDS.
- Disconnect PCM connector C (49P).
- Check for continuity between PCM connector terminal C35 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short to body ground in the wire between PCM connector terminal C35 and the line pressure switch.
NO -Replace the PCM (see PCM REPLACEMENT ).