Toyota Corolla Repair Manual: Ignition switch circuit

Ecu power source circuit

Circuit description This circuit provides power to operate the tvip ecu. Wiring diagram Inspection procedure 1 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  c ...

Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu. Wiring diagram ...

Other materials:

Warning light and warning buzzer list
*1: Parking brake engaged warning buzzer: *2: Open door warning buzzer: *3: Vehicles with a drive monitor display *4: Vehicles with a multi-information display *5: Driver’s seat belt buzzer: Vehicles without a smart key system: The driver’s seat belt buzzer sounds to alert the drive ...

Vehicle control system
Ignition or starter switch assy Replacement 1. Remove steering column cover 2. Remove ignition or starter switch assy Disconnect the ignition switch connector and unlock warning switch connector.  remove the 2 clamps.  remove the 2 screws and ignition switch. Inspectio ...

Check open circuit
For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...