Toyota Corolla (E120): Window defogger system

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Overhaul
Notice: when using a vise, do not over tighten. When installing, coat the parts indicated by the arrows with power steering fluid . 1. Remove front wheel rh 2. Drain power steering fluid 3. Remove engine under cover rh 4. Remove fan and generator v belt 5. Disconnect oil reservoir to ...

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 ...

Inspection
1. Inspect sliding roof limit switch Inspect the sliding roof limit switch continuity. Standard: If the continuity is not as specified, replace the switch. 2. Inspect sliding roof drive gear sub–assy Connect the positive (+) lead from the battery to terminal 2 and the ne ...