Toyota Corolla Repair Manual: Hazard warning switch circuit

Light control switch circuit

Wiring diagram Inspection procedure 1 Check headlamp dimmer switch assy (light control switch) 2 Check wire harness (tvip ecu  light control switch) Disconnect the tvip ecu and ...

Circuit description

When the tvip system is transferred to the alarm sounding state from the armed state, the signal flasher assembly (relay for hazard warning lights) will be switched on and the hazard warning ligh ...

Other materials:

Malfunction in water temperature receiver gauge
Wiring diagram Inspection procedure 1 Read value of hand–held tester Check output value of ecm.  Connect the hand–held tester to dlc3.  Turn the ignition switch to on and push the hand–held tester main switch on.  Select the data list mode on the hand–held teste ...

Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front seat airbag assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy (lh ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission cont ...