Toyota Corolla (E120): Diagnosis circuit

Share this page:

Other materials:

Towing your vehicle with 4 wheels on the ground
To prevent damage to your vehicle, perform the following procedures before towing. 1 Shift the shift lever to N. 2 Turn the engine switch to the “ACC” position (without a smart key system) or ACCESSORY mode (with a smart key system). (, 166) Ensure that the audio system and other powered de ...

On–vehicle inspection
1. Inspect cooling system for leaks Caution: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.  fill the radiator with coolant and attach a radiator cap tester.   ...

Inspection procedure
1 Check security indicator light Remove the security indicator.  check the indicator light, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu  security indicator) Disconnect the tvip ecu and security indicator connectors.   ...