Toyota Corolla (E120): Light control switch circuit

Wiring diagram

Inspection procedure

Inspection procedure

1 Check headlamp dimmer switch assy (light control switch)

2 Check wire harness (tvip ecu  light control switch)

2 Check wire harness (tvip ecu  light control switch)

  1. Disconnect the tvip ecu and light control switch connectors.
  2.  check the continuity between the terminals of the tvip ecu and light control switch connectors, as shown in the illustration and table.

Standard:

3 Check wire harness (light control switch  body ground)

3 Check wire harness (light control switch  body ground)

  1. Disconnect the light control switch connector.
  2. check the continuity between the terminal of the light control switch connector and the body ground, as shown in the illustration and table.

Standard:

Proceed to next circuit inspection shown on problem symptoms table

Proceed to next circuit inspection shown on problem symptoms table

    Share this page:

    Other materials:

    Emission inspection and maintenance (I/M) programs
    Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission cont ...

    Toyota vehicle intrusion protection system
    On–vehicle inspection 1. Outline of toyota vehicle intrusion protection (tvip) system Hint: the theft deterrent system has 2 modes; one is the active mode that is an initially set mode and another is the passive mode that can be switched on/off by the specified method (see step 4). &nb ...

    Circuit description
    Refer to dtc c0200/31, c0205/32, c1235/35, c1236/36 Hint: Dtc no. C0210/33, c1238/38 is for the right rear speed sensor. Dtc no. C0215/34, c1239/39 is for the left rear speed sensor. Wiring diagram ...