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Toyota Corolla Repair Manual: How to troubleshoot ecu controlled systems

Toyota Corolla Repair Manual / Introduction / How to troubleshoot ecu controlled systems

Vehicle lift and support locations
1. Notice about vehicle condition when jacking up As a rule, the vehicle must be unloaded when jacking up. Never jack up or lift up the vehicle loaded with things of heavy weight.  whe ...

General information
There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill t ...

Other materials:

Inspection procedure
1 Check door lock 2 Check wire harness (tvip ecu door lock) Disconnect the tvip ecu and door lock connectors.  check the continuity between the terminals of the tvip ecu and door lock connectors, as shown in the illustration and table. Standard: 3 Check wire harness ...

Outside vehicle
General maintenance Performing these maintenance checks on the vehicle in the owners responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In most cases, special tool are not required ...

Speed control main switch assy
Replacement 1. Disconnect battery negative terminal 2. Inspect place front wheels facing straight ahead 3. Remove horn button assy 4. Remove steering wheel assy sst 0995050013 (0995105010, 0995205010, 0995305020, 0995405021) 5. Remove speed control main switch assy Remove the 2 sc ...

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