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 the General Troubleshooting Information (see 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), or press the engine start/stop button to select the ON mode.
- Clear the DTC with the HDS.
- Check the Line Pressure Pressure Switch signal with the HDS in the A/T Data List.
Is the Line Pressure 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), or press the engine start/stop button to select the OFF mode.
- Disconnect the line pressure switch connector.
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Check the Line Pressure Pressure Switch signal with the HDS in the A/T Data List.
Is the Line Pressure 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), or press the engine start/stop button to select the OFF mode.
- 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 ECM/PCM REPLACEMENT ).