FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B2602

DTC B2602 KEY UNLOCK WARNING SWITCH CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

Detection Item:




A signal (ON or OFF) is sent from the transponder key ECU*1 (steering lock ECU*2) to the multiplex tilt & telescopic ECU via the communication bus when the ignition key is inserted into the key cylinder. The multiplex tilt & telescopic ECU uses this signal to operate the auto away or auto return function.

Wiring Diagram:




Wiring Diagram:






Step 1 - 2:




Step 3:




Step 4:




INSPECTION PROCEDURE