Toyota Corolla (E120): Circuit description

When the shift position is put in except d position, a signal is sent from the park/neutral position switch to the cruise control ecu assy. When this signal is input during cruise control driving, the ecu cancels the cruise control.

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Check courtesy lamp switch Check the courtesy switch, as shown in the illustration and table. Standard: 2 Check wire harness (integration relay  door courtesy sw) Disconnect the integration relay and door courtesy connectors.  check the continuity between th ...

    Overhaul
    Hint: overhaul the rh side by the same procedures with lh side. 1. Remove rear wheel 2. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 3. Remove rear brake drum sub–assy Release the parking brake lever, and remove t ...

    Diagnostic trouble code chart
    Notice: when removing the part, turn the ignition switch to off. Hint: using sst 09843–18040, it connect the terminal tc and cg of dlc3. If any abnormality is not found when inspecting parts, inspect the ecu and ground points for poor contact. If a malfunction code is displayed during ...