FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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INHIBITOR SWITCH

DESCRIPTION




Inhibitor Switch
Detects the selector lever position and sends a signal to the TCM.




Wiring Diagram




Connectors




TCM Terminal Reference Values





Diagnostic trouble code (DTC) confirmation procedure
After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT

1. Turn ignition switch "ON".








2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT.
3. Start engine and maintain the following conditions for at least 5 consecutive seconds.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: More than 1.3 V
Selector lever: D position (OD "ON" or "OFF")

With GST
1. Start engine.
2. Drive vehicle under the following conditions:
Selector lever in "D" position, overdrive control switch in "ON" or "OFF" position, vehicle speed higher than 10 km/h (6 MPH), throttle position sensor more than 1.3 V and driving for more than 5 seconds.
3. Select "MODE 7" with GST.

No Tools
1. Start engine.
2. Drive vehicle under the following conditions:
Selector lever in "D" position, overdrive control switch in "ON" or "OFF" position, vehicle speed higher then 10 km/h (6 MPH), throttle opening greater than 1/2 of the full throttle position and driving for more than 5 seconds.
3. Perform self-diagnosis for ECM.
Refer to Powertrain Management; Computers and Control Systems








DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION


Inhibitor Switch










1. Check continuity between terminals (1) and (2) and between terminals (3) and (4), (5), (6), (7), (8), (9) while moving manual shaft through each position.




2. If NG, check again with manual control linkage disconnected from manual shaft of A/T assembly. Refer to step 1.
3. If OK on step 2, adjust manual control linkage.




4. If NG on step 2, remove inhibitor switch from A/T and check continuity of inhibitor switch terminals.
5. If OK on step 4, adjust inhibitor switch.
6. If NG on step 4, replace inhibitor switch.