Toyota Corolla Repair Manual: Inspection procedure
Hand–held tester:
1 Check operation of stop light
- Check if the stop lights go on and off normally when the brake pedal is depressed and released.
2 Inspect stop light switch assy
- Check the resistance between the terminals when the switch is turned on and off.
Standard:
3 Read value of hand–held tester(stp signal)
- Turn the ignition switch on.
- select the item ”diagnosis / enhanced obd ii / data list / all / stop light sw” and read its value displayed on the hand–held tester.
Standard:
4 Check harness and connector(stop light switch – ecm)
- Disconnect the s9 stop light switch connector.
- disconnect the e5 ecm connector.
- check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- reconnect the stop light switch connector.
Replace ecm
Obd ii scan tool (excluding hand–held tester):
1 Check operation of stop light
- Check if the stop lights go on and off normally when the brake pedal is depressed and released.
2 Inspect stop light switch assy
- Check the resistance between terminals when the switch on and off.
Standard:
3 Inspect ecm(stp voltage)
- Turn the ignition switch on.
- measure the voltage between the terminals of the e4 and e5 ecm connectors.
Standard:
4 Check harness and connector(stop light switch – ecm)
- Disconnect the s9 stop light switch connector.
- disconnect the e5 ecm connector.
- check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- reconnect the stop light switch connector.
Replace ecm
Circuit description
This signal is used to detect that the brakes have been applied. The stp
signal voltage is the same as the
one supplied to the stop lights.
The stp signal is used mainly to control the fuel cut– ...
Mil circuit
...
Other materials:
Driving
► Automatic transmission or continuously
variable transmission
1 With the brake pedal depressed, shift the shift lever to D.
(, 174, 176)
2 Release the parking brake.
3 Gradually release the brake pedal and gently depress the accelerator pedal to
accelerate the vehicle.
► ...
Inspection procedure
1 Check p/t squib(rh) circuit(airbag sensor assy center – front
seat outer belt assy rh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensioner ...
Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s systems.
*1: Vehicles without a smart key system:
These lights turn on when the engine switch is turned to the “ON” position to indicate
that a system check is being performed. They will turn off after the engine is ...