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Automatic Transmission Shift Interlock Systems: Overview Lexus RX I

Automatic Trans 10 illustrations ~191 words

DESCRIPTION & OPERATION

Transmission/transaxle is equipped with an electronically controlled shift lock and key lock system. (Scheme 101)and (Scheme 102). Shift lock system prevents shift lever from being moved from Park unless brake pedal is depressed. In case of a malfunction, shift lever can be released by depressing shift lock override button, located near shift lever under small plastic cover. Key lock system prevents ignition key from being moved from ACC to LOCK position on ignition switch unless shift lever is in Park.

System consists of brakelight switch, key interlock solenoid, shift lock control switch, shift lock control Electronic Control Unit (ECU), shift lock solenoid and shift lock release button. All models may not be equipped with all components.

Note. Sienna and Tundra models are equipped with cable operated shift lock system. See CABLE OPERATED SHIFT LOCK SYSTEM CHECK and ADJUSTMENTS .

Scheme 101

Scheme 101: DESCRIPTION & OPERATION

Scheme 102

Scheme 102

CONNECTOR IDENTIFICATION

Note. For connector and terminal identification, refer to appropriate illustration. (Scheme 103)- (Scheme 110). The following connector views are model specific.

Scheme 103

Scheme 103: CONNECTOR IDENTIFICATION

Scheme 104

Scheme 104

Scheme 105

Scheme 105

Scheme 106

Scheme 106

Scheme 107

Scheme 107

Scheme 108

Scheme 108

Scheme 109

Scheme 109

Scheme 110

Scheme 110