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:
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot the problem when a normal code is displayed in the diagnostic
trouble code chart but the problem
is still occurring. Numbers in the table indicate the order in which the
circ ...
Combination meter assy
Overhaul
Hint: components:
1. Remove meter hood sub–assy
2. Remove combination meter assy
Remove the screw.
disengage the 2 clips as shown in the illustration.
disconnect the connector, then remove the combination
meter.
3. Remove combination meter glass
Dise ...
Inspection
1. Inspect inner rear view mirror assy
Inspect the electro chromic inner mirror operation.
Connect the positive (+) lead from the battery to terminal
1 and negative (–) lead to terminal 2.
) Attach black colored tape to the forward sensor to
prevent it from sensing.
...