Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Open circuit in stop light switch
circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect stop lamp switch assy
- Check that the stop light lights up when brake pedal is depressed and turns off when the brake pedal is released.


2 Inspect skid control ecu terminal voltage(stp terminal)

- Disconnect skid control ecu connector.
- measure voltage between terminal stp (16) and gnd (1,
23) of skid control ecu harness side connector when the
brake pedal is depressed.
Voltage: 10 – 14 v


3 Check harness and connector(stop light switch – skid control ecu)
- Check for open and short circuit in harness and connector between stop light switch and skid control ecu


Proceed to next circuit inspection shown on problem symptoms table
4 Check harness and connector(stop light circuit)
- Check for open and short circuit in harness and connector of the stop light circuit


Repair or replace harness or connector
Other materials:
Lubrication system
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up and turn off the engine, wait more than 5 minutes, and check
the oil level on the dipstick.
■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use Toyo ...
Inspection procedure
1 Check courtesy lamp switch
Check the courtesy switch, as shown in the illustration
and table.
Standard:
2 Check wire harness (integration relay door courtesy sw)
Disconnect the integration relay and door courtesy connectors.
check the continuity between th ...
Circuit description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light lights up for approx. 6 Seconds
after the ignition switch is
turned from the lock position to on position, and then turns off automatically.
If there is a malfunction in the srs, the srs ...


