Driver cannot select reverse gear when vehicle speed is 9 mph (15 km/h) or less
- When checking if the transmission will shift to reverse while the wheels are being driven forward, raise the vehicle on a lift, make sure it is securely supported, and allow the front wheels to rotate freely.
- Do not release the clutch pedal if you can select reverse gear while the wheels are driven forward.
- When the vehicle is on a lift, and you make the wheels rotate, turn off the VSA system by the VSA OFF switch.
- Refer to How to Troubleshoot Circuits at the ECM connectors in the Fuel and Emissions Systems section before troubleshooting this circuit (see HOW TO TROUBLESHOOT CIRCUITS AT THE ECM/PCM CONNECTORS ).
- Turn the ignition switch to LOCK (0).
- Try to shift the transmission into reverse. Can you shift the transmission into the reverse?
Can you shift the transmission into the reverse?
YES -Go to step 4.
NO -Go to step 3.
- Do the reverse lockout solenoid test (see REVERSE LOCKOUT SOLENOID TEST
).
Is the reverse lockout solenoid OK?
YES -Check the change lever assembly (see CHANGE LEVER ASSEMBLY DISASSEMBLY/REASSEMBLY ), if necessary inspect the internal transmission.
NO -Repair or replace the reverse lockout solenoid (see REVERSE LOCKOUT SOLENOID DISASSEMBLY/REASSEMBLY ).
- Start the engine, and try to shift the transmission into reverse.
Can you shift the transmission into the reverse?
YES -Intermittent failure, the system is OK at this time.
NO -Go to step 5.
- Turn the ignition switch to LOCK (0).
- Jump the SCS line with the HDS.
- Disconnect ECM connector A (44P).
- Disconnect the reverse lockout solenoid 2P connector.
- Check for continuity between reverse lockout solenoid 2P connector terminal No. 2 and body ground.Fig 1: Checking Continuity Between Reverse Lockout Solenoid 2P Connector Terminal No. 2 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair a short to body ground in the wire between the reverse lockout solenoid and the ECM.
NO -Check for loose terminals or poor connections at the ECM. If necessary, update the ECM if it does not have the latest software (see ELD REPLACEMENT ), or substitute a known-good ECM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom goes away with a known-good ECM, replace the original ECM (see ECM/PCM REPLACEMENT ).