Toyota Tacoma manuals

Toyota Corolla Repair Manual: 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

Inspection procedure
1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (Ц) lead to the horn body, and check that the horn blows. 2 Check relay (ma ...

Hazard warning switch circuit
...

Other materials:

Circuit description
The p squib (2nd step) circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy. It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b1185/57 is recorded when a short is detected in the p squib (2nd step) circuit. Wiri ...

Circuit description
Refer to dtcs p0100 Dtc no. Dtc detection condition Trouble area P0101 After engine is warmed up, conditions (a) to (d) continue for more than 10 seconds (2 trip detection logic):  engine speed less than 900 rpm  throttle valve fully closed &nbs ...

Inspection procedure
1 Check p/t squib(rh) circuit(airbag sensor assy center Ц front seat outer belt assy rh) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensioner ...

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