4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS Step 9
Action
6E–353
Value(s)
Yes
No
—
Repair faulty harness and verify repair
Go to Step 10
—
Go to Step 11
Go to Step 12
Using the DVM and check the CAN low circuit. Breaker box is available: 1. Ignition “Off”, engine “Off”. 2. Install the breaker box as type A. disconnected) Ref. Page 6E-103 3. Disconnect connector.
the
PSG
(pump
control
(ECM unit)
4. Check the circuit for open or short to ground circuit. Was the problem found? Breaker Box 99
E-6
Breaker box is not available: 1. Ignition “Off”, engine “Off”. 2. Disconnect the PSG (pump connector.
control
unit)
3. Check the circuit for open or short to ground circuit. Was the problem found? C-57
E-6
99
10
1
Using the DVM and check the CAN high circuit. 1. Ignition “On”, engine “Off”. 2. Disconnect connector.
the
PSG
(pump
control
unit)
3. Check the circuit for short to power supply circuit. Was the DVM indicated battery voltage or approximately 5V? E-6
2
V