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
Hint: troubleshoot each trouble symptom in accordance with the chart below. 1 Clear dtc Connect the hand–held tester or the obd ii scan tool to the dlc 3.  turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.  read the dtc . & ...

Replacement
Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove horn button assy Place the front wheels facing straight ahead.  using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw ca ...

Inspection procedure
1 Check tvip ecu Check that the operation of the tvip function is normal. Hint: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not. 2 Check wire harness (tvip ecu integration relay) Disconnect the tvip ecu and integration relay connectors. ch ...