Engine Control System (4JJ1) 1A-115
Circuit/ System Testing DTC P0183
5
1. Test the signal circuit between the ECM (pin
83 of E12) and the FT sensor (pin 2 of E22) for
the following conditions:
• A short to ground
• A short to the low reference circuit
2. Repair the circuit(s) as necessary.
Did you find and correct the condition?
—
Go to Step 9 Go to Step 7
6
Replace the FT sensor. Refer to FT Sensor in
Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 9 —
7
1. Turn OFF the ignition.
2. Disconnect the ECM harness connector.
3. Inspect connections at the harness connector
of the ECM (pins 83 and 109 of E12) for
corrosion.
4. Repair or clean the connection(s) as
necessary.
Did you find and correct the condition?
—
Go to Step 9 Go to Step 8
8
Important: Replacement ECM must be
programmed and learned.
Replace the ECM. Refer to ECM Replacement.
Did you complete the replacement?
—
Go to Step 9 —
9
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 10
10
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
Step Action Value(s) Yes No
1
Did you perform the Diagnostic System Check -
Engine Controls? —
Go to Step 2
Go to Diagnostic
System Check -
Engine Controls
2
1. Install a scan tool.
2. Turn OFF the ignition for 30 seconds.
3. Start the engine.
4. Monitor the DTC Information with a scan tool.
Is DTC P0697 also set?
—
Go to DTC P0697 Go to Step 3
LG4JJED-WE-0871.book 115 ページ ２００８年４月４日 金曜日 午前９時６分
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