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:
Maintenance requirements
To ensure safe and economical
driving, day-to-day care
and regular maintenance
are essential. It is the
owner's responsibility to
perform regular checks.
Toyota recommends the
maintenance below.
■Repair and replacement
It is recommended that genuine
Toyota parts be used for repairs to
ensure perf ...
Disposal
Hint:
when scrapping vehicles epuipped with a seat belt pretensioner or disposing of a
front seat outer belt (with
seat belt pretensioner) always first active the seat belt pretensioner in
accordance with the procedure described
below. If any abnormality occurs in the seat belt pretensioner o ...
Inspection procedure
1 Check ignition or starter switch assy
Check the ignition switch, as shown in the illustration and
table.
Standard:
2 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
3 Check relay (m ...