( TL19E1AE34151100000FAAT00 )

M/T Reverse Lockout System Circuit Troubleshooting

Driver cannot select the reverse gear when vehicle speed at 15 km/h (9 mph) or less

1. Turn the ignition switch to LOCK (0).

1. Try to shift the transmission into reverse.

Can you shift the transmission into the reverse?

YES | - | Go to Step 4 .
NO | - | Go to Step 3 .

1. Do the reverse lockout solenoid test.

Is the reverse lockout solenoid OK?

YES | - | Check the change lever assembly, if necessary inspect the internal transmission.■
NO | - | Repair or replace the reverse lockout solenoid. ■

1. Start the engine.

Can you shift the transmission into the reverse?

YES | - | Intermittent failure, the system is OK at this time.■
NO | - | Go to Step 5 .

1. Turn the ignition switch to LOCK (0).

1. Jump the SCS line with the HDS.

1. R20A3 engine model: Disconnect ECM connector A (44P).

1. K24Z3 engine model: Disconnect ECM connector C (49P).

1. Disconnect the reverse lockout solenoid 2P connector.

1. Check for continuity between body ground and reverse lockout solenoid 2P connector terminal No. 1.

Is there continuity?

YES | - | Repair short to body ground in the wire between the reverse lockout solenoid and the ECM.■

NO

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- R20A3 engine model: Check for loose terminals or poor connections at ECM. If necessary, update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the trouble goes away with a known-good ECM, replace the original ECM. ■
- K24Z3 engine model: Check for loose terminals or poor connections at ECM. If necessary, update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the trouble goes away with a known-good ECM, replace the original ECM. ■