1A-264 Engine Control System (4HK1)
Circuit/ System Testing DTC P2128
11
Important: Replacement ECM must be
programmed and learned.
Replace the ECM. Refer to ECM Replacement.
Did you complete the replacement?
—
Go to Step 12
—
12
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. Fully depress and release the accelerator
pedal while observing the APP Sensor 1
parameter with the scan tool.
Does the scan tool indicate less than the
specified value during depressing or releasing
the pedal?
0.2 volts
Go to Step 3 Go to Step 13
13
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. Fully depress and release the accelerator
pedal while observing the Accelerator Pedal
Position (APP) Sensor 2 parameter with a
scan tool.
Does the scan tool indicate more than the
specified value during depressing or releasing
the pedal?
4.9 volts
Go to Step 3
Go to Diagnostic
Aids
3
Monitor the DTC Information with a scan tool.
Is DTC P0651 also set?
—
Go to Step 4 Go to Step 5
4
1. Turn OFF the ignition.
2. Disconnect the APP sensor harness
connector.
3. Turn ON the ignition, with the engine OFF.
Is the APP Sensor 2 parameter less than the
specified value?
0.1 volts
Go to DTC P0651 Go to Step 7
5
1. Turn OFF the ignition.
2. Disconnect the APP sensor harness
connector.
3. Turn ON the ignition, with the engine OFF.
Is the APP Sensor 2 parameter less than the
specified value?
0.1 volts
Go to Step 6 Go to Step 7
LG4HKED-WE-0871.book 264 ページ ２００７年１１月２９日 木曜日 午後６時２９分
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