Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Brake switch ”b” circuit high / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect stop lamp switch assy


2 Check harness and connector(stop lamp switch assy – ecm)
- Install the stop lamp switch assy.
- disconnect the ecm connector.
- measure the voltage according to the value(s) in the table below when the brake pedal is depressed and released.
Standard:



Replace ecm
Other materials:
Ecm (1zz–fe)
Replacement
1. Disconnect battery negative terminal
2. Remove glove compartment door assy
3. Remove ecm
Remove the 2 clips using a clip remover. Then, open the
cover.
Disconnect the 4 ecm connectors.
remove the wire harness from the wire harness clamp.
Remove the 2 ...
Overhaul
Notice:
when using a vise, do not over tighten.
When installing, coat the parts indicated by the arrows with power
steering fluid .
1. Remove front wheel rh
2. Drain power steering fluid
3. Remove engine under cover rh
4. Remove fan and generator v belt
5. Disconnect oil reservoir to ...
Symptom simulation
Hint:
the most difficult case in troubleshooting is when no symptoms occurs. In such
cases, a thorough customer
problem analysis must be carried out. Then the same or similar conditions and
environment in which the
problem occurred in the customer’s vehicle should be simulated. No matter ho ...


