Toyota Corolla Repair Manual: System voltage

Inspection procedure

Hint: when the throttle position is slightly opened (the accelerator pedal is slightly depressed) because a floor carpet is overlapped on the accelerator pedal, or if not fully releasing t ...

Monitor description

The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other da ...

Other materials:

Inspection procedure
1 Check fuse(ecu–ig) Remove the ecu–ig fuse from the instrument panel j/b.  check the continuity of the ecu–ig fuse. Ok: continuity 2 Inspect terminal voltage(b) Remove the cruise control ecu assy with connector still connected.  turn the ignition switch to on. ...

Radio
Changing the entertainment source CD/DVD drive Eject CD/DVD Changing the station/track Programmable memory buttons Sound output on/off, volume Waveband/satellite radio Changing the waveband Navigation destination entry Entering a destination via address State/province 1. "Navigation". 2. ...

How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect the obd ii scan tool or hand–held tester to dlc3 4 Check and clear dtc and freeze frame data 5 Visual inspection 6 Setting the check mode diagnosis 7 Problem sy ...