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:
Circuit description
The vapor pressure sensor and the vsv for the canister closed valve (ccv) are
used to detect abnormalities
in the evaporative emission control system. The ecm decides whether there is an
abnormality in the evaporative
emission control system based on the vapor pressure sensor signal.
Dtc p0 ...
If your vehicle needs to be towed
If towing is necessary, we
recommend having your
vehicle towed by your Toyota
dealer or commercial
towing service, using a
wheel-lift type truck or flatbed
truck.
Use a safety chain system
for all towing, and abide by
all state/provincial and local
laws.
WARNING
Observe the following precautions.
...
Sliding roof/convertible
Service data
Torque specification
Engine hood/door
Torque specification
Exterior/interior trim
Torque specification
Cruise control
Service data
Torque specification
...