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. Precaution
2. Disconnect battery negative terminal
3. Inspect place front wheels facing straight ahead
4. Remove horn button assy
Notice:
if the airbag connector is disconnected with the ignition
switch being at on, dtcs will be recorded.
using a torx socket wrench, loosen the ...
Lubrication system
On–vehicle inspection
1. Check engine oil level
after warming up the engine and then 5 minutes after the engine
stops, oil level should be between
the ”l” and ”f” marks on the oil level gage.
If low, check for leakage and add oil up to the ”f” mark.
Notice:
do not ...
Circuit description
Refer to dtc p0115
Dtc no.
Dtc detection condition
Trouble area
P0116
If engine coolant temperature (ect) was between 35 c (95 °F)
and 60 c (140 °F) when starting the engine, and also conditions
(a) and (b) are met:
vehicle has run with acceleration an ...


