Toyota Corolla Repair Manual: Diagnosis circuit

Wiring diagram

1 Inspect terminal voltage(pi) (a) turn Turn the ignition switch to on.  measure voltage between terminal 5 (pi) of cruise control ecu assy and body ground, when the cruise control m ...

Circuit description

This circuit sends a signal to the cruise control ecu assy that dtc output is required. Wiring diagram ...

Other materials:

Inspection procedure
1 Inspect transmission wire(s1) Disconnect the transmission wire connector from the transaxle.  measure the resistance according to the value(s) in the table below. Standard: 2 Check harness and connector(transmission wire – ecm) Connect the transmission connecto ...

How to proceed with troubleshooting
Troubleshoot in accordance with the procedure on the following pages. 1 Vehicle brought to workshop 2 Customer problem analysis check and symptom check Without applicable symptoms, proceed to ”a”.  with applicable symptoms, proceed to ”b”. 3 Symptom simulation 4 Problem symp ...

Problem symptoms table
When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still can not be confirmed in the basic inspection, proceed to this problem symptoms tables and troubleshoot according to the numbered order given below. *: A/t only ...