Engine Control System (4HK1) 1A-137
Circuit/ System Testing DTC P0203
17
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 18
18
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.
Does the DTC fail this ignition?
—
Go to Step 3
Go to Diagnostic
Aids
3
1.
Turn OFF the ignition.
2.
Disconnect the in-line harness connector from
the cylinder head cover case.
3.
Measure the resistance of the charge voltage
circuit across the female side connector.
4.
Measure the resistance of the charge voltage
circuit across the male side connector.
Are both resistance readings less than the
specified value (either of reading is out of
specified value will not set this DTC)?
1.0
Ω
Go to Step 4
Go to Step 9
4
1.
Connect a DMM between the cylinder #3
charge voltage circuit and a known good
ground.
2.
Turn ON the ignition, with the engine OFF.
Is the DMM voltage less then the specified
value?
1.0 volt
Go to Step 5
Go to Step 10
5
Connect a DMM between the cylinder #3 solenoid
control circuit and a known good ground.
Is the DMM voltage less than the specified
value?
16.0 volts
Go to Step 6
Go to Step 11
6
Is the DMM voltage more than the specified
value at Step 5?
12.0 volts
Go to Step 7
Go to Step 12
LG4HKED-WE-0871.book 137
ページ
２００７年１１月２９日 木曜日 午後６時２９分
