Engine Control System (4HK1) 1A-121
Circuit/ System Testing DTC P0123
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. 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 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. Observe the Intake Throttle Position Sensor
parameter with a scan tool.
Is the Intake Throttle Position Sensor
parameter more than the specified value?
4.9 volts
Go to Step 3
Go to Diagnostic
Aids
3
Monitor the DTC Information with a scan tool.
Is DTC P0697 also set?
—
Go to Step 4 Go to Step 5
4
1. Turn OFF the ignition.
2. Disconnect the intake throttle valve harness
connector.
3. Turn ON the ignition, with the engine OFF.
Is the Intake Throttle Position Sensor
parameter less than the specified value?
0.1 volts
Go to DTC P0697 Go to Step 7
5
1. Turn OFF the ignition.
2. Disconnect the intake throttle valve harness
connector.
3. Turn ON the ignition, with the engine OFF.
Is the Intake Throttle Position Sensor
parameter less than the specified value?
0.1 volts
Go to Step 6 Go to Step 7
6
Connect a test lamp between the low reference
circuit (pin 4 of E-16) and battery voltage.
Does the test lamp illuminate?
—
Go to Step 9 Go to Step 8
LG4HKED-WE-0871.book 121 ページ ２００７年１１月２９日 木曜日 午後６時２９分
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