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:
Overhaul
1. Inspect 1st gear thrust clearance
Using a feeler gauge, measure the 1st gear thrust clearance.
Standard clearance:
0.10 – 0.40 Mm (0.0039 – 0.0157 In.)
2. Inspect 2nd gear thrust clearance
Using a dial indicator, measure the 2nd gear thrust clearance.
Standard clearan ...
Bluetooth®
■When using the Bluetooth® audio system
●In the following situations, the system may not function.
• The portable player does not support Bluetooth®
• The cellular phone is located outside the service area
• The Bluetooth® device is switched off
• The Bluetooth® device h ...
Radio broadcast cannot be received (bad reception)
Inspection procedure
1 Check if radio auto–search functions properly
Check if the radio auto–search functions properly.
Perform the auto–search of the radio and check that it functions
normally.
Standard: the radio auto–search functions properly.
2 Check optional ...


