Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Light control switch circuit
Toyota Corolla (E120): Light control switch circuit
Wiring diagram

Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)


2 Check wire harness (tvip ecu light control switch)

- Disconnect the tvip ecu and light control switch connectors.
- 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)

- Disconnect the light control switch connector.
- 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
Other materials:
Inspection procedure
1 Check door lock
When the door does not operate manually, proceed to ”a”.
when the door does not operate via the key, proceed to ”b”.
2 Inspect door lock control switch
W/ power window:
remove the power window regulator master switch assy.
Inspect th ...
Rear seats
► Type A
1 Up
Pull the head restraints up.
2 Down
Push the head restraint down while pressing the lock release button.
► Type B
1 Up
Pull the head restraints up.
2 Down
Push the head restraint down while pressing the lock release button.
■Removing the head restraints ...
Cruise control system
On–vehicle inspection
1. Check play of accelerator auto drive cable assy
Push the wire into the cable so as not to move the throttle
link and put a mark on the position shown in the illustration.
Pull the wire and check the moved distance of the mark.
2. Adjust play in acce ...


