Engine Control System (4HK1) 1A-89
12
1. Turn OFF the ignition.
2. Disconnect the ECM harness connector.
3. Inspect for an intermittent and for poor
connections at the harness connector of the
ECM (pins 89, 97, 105 and 113 of E-12).
4. Repair the connection(s) as necessary.
Does the test lamp illuminate then go out?
—
Go to Step 15 Go to Step 14
13
Replace the FRP regulator. Refer to Fuel Supply
Pump in Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 15
—
14
Important: Replacement ECM must be
programmed and learned.
Replace the ECM. Refer to ECM Replacement.
Did you complete the replacement?
—
Go to Step 15
—
15
1. Reconnect all previously disconnected
harness connector(s).
2. Clear the DTCs with a scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Start the engine.
5. Operate the vehicle within the Conditions for
Running the DTC. You may also operate the
vehicle within the conditions that you
observed from the Freeze Frame/ Failure
Records.
Did the DTC fail this ignition?
—
Go to Step 3 Go to Step 16
16
Observe the DTC Information with a scan tool.
Are there any DTCs that you have not
diagnosed?
—
Go to DTC List System OK
Step Action Value(s) Yes No
LG4HKED-WE-0871.book 89 ページ 2007年11月29日 木曜日 午後6時29分