Engine Control System (4HK1) 1A-109
Circuit/ System Testing DTC P0113
5
1. Test the signal circuit between the ECM (pin
72 of J-14) and the IAT sensor (pin 4 of J-38
[Euro 4 specification] or pin 1 of J-217 [Expect
Euro 4 specification]) 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 MAF sensor or the IAT sensor. Refer
to MAF/IAT Sensor in Section 1J Induction.
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 60 and 72 of J-14) 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 P0651 also set?
—
Go to DTC P0651 Go to Step 3
LG4HKED-WE-0871.book 109 ページ ２００７年１１月２９日 木曜日 午後６時２９分
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