4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS Step 9
Action
Value(s)
6E–291
Yes
No
Go to Step 10
Repair faulty harness and verify repair
Go to Step 11
Repair faulty harness and verify repair
Using the DVM and check the TPS signal circuit. 1. Ignition “On”, engine “Off”. 2. Disconnect the TPS connector. 3. Check the circuit for short to power supply circuit. Was the DVM indicated specified value? E-22
2
V Less than 1V 10
Using the DVM and check the TPS ground circuit. 1. Ignition “On”, engine “Off”. 2. Disconnect the TPS connector . 3. Check the circuit for short to power supply circuit. Was the DVM indicated specified value? E-22
1
V Less than 1V