Toyota Corolla (E120): Park/neutral position switch circuit

Inspection procedure

Circuit description

Other materials:

Inspection procedure
Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

How to proceed with troubleshooting
1 Vehicle brought to workshop 2 Customer problem analysis 3 Problem symptom confirmation 4 Circuit inspection 5 Repair or replace 6 Confirmation test 7 End Customer problem analysis check ...

Basic inspection
When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found ...