Toyota Corolla (E120): Camshaft position ”a” actuator circuit

Problem symptoms table

Circuit description

Other materials:

Communication system
Horn system Location Problem symptoms table Inspection 1. Inspect low pitched horn assy Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to the horn body, and check that the horn blows. If the result is not as specified, replace the ...

Replacement
1. Remove hood sub–assy 2. Remove cylinder head cover no.2 3. Remove battery 4. Remove battery carrier Remove the 4 bolts and battery carrier. 5. Remove air cleaner assembly with hose 6. Remove floor shift cable transmission control shift Remove the nut from the control shaf ...

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 ...