Toyota Corolla (E120) 2002–2008 Repair Manual / Preparation / Engine mechanical
Toyota Corolla (E120): Engine mechanical
Preparation
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Recomended tools

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Equipment

Exhaust
Preparation
Equipment

Other materials:
Heater & air conditioner
Preparation
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Recomended tools
Equipment
Lubricant
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System description
The ecm uses signals from the vehicle speed sensor and crankshaft position
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the shift schedule in the ecm memory
to detect the mechanical
trouble of the shift solenoid valves, th ...
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 ...


