rims ISUZU KB P190 2007 Workshop Repair Manual

6E–168 ENGINE DRIVEABILITY AND EMISSIONS
Trouble Code is set. This Diagnostic Trouble Code is
also set if an injector driver is shorted to voltage.
Diagnostic Aids
An injector driver circuit that is open or shorted to
voltage will cause a Diagnostic Trouble Code P0201 to
set. It will also cause a misfire due to an inoperative injector. A misfire Diagnostic Trouble Code will also be
set indicating which cylinder is inoperative.
Long term and short term fuel trims that are excessively
high or low are a good indication that an injector is
faulty.
Use Fuel Injector Coil Test Procedure to check for faulty
injectors.
Diagnostic Trouble Code (DTC) P0201 Injector 1 Control Circuit
Diagnostic Trouble Code (DTC) P0202 Injector 2 Control Circuit
Diagnostic Trouble Code (DTC) P0203 Injector 3 Control Circuit
Diagnostic Trouble Code (DTC) P0204 Injector 4 Control Circuit
Step Action Value(s) Yes No
1 Was the “On-Board Diagnostic (OBD) System Check” performed?
—Go to Step 2Go to
On Board
Diagnostic
(OBD) System Check
2 1. Connect the Tech 2. 2. Review and record the failure information.
3. Select “F0: Read DTC Infor By Priority” in “F0: Diagnostic Trouble Code”.
Is the DTC P0201, P0202, P0203 or P0204 stored as
“Present Failure”? — Go to Step 3Refer to
Diagnostic Aids and Go to Step
3
3 1. Using the Tech2, ignition “On” and engine “Off”. 2. Select “Clear DTC Information” with the Tech2 andclear the DTC information.
3. Operate the vehicle and monitor the “F5: Failed This Ignition” in “F2: DTC Information”.
Was the DTC P0201, P0202, P0203 or P0204 stored
in this ignition cycle? — Go to Step 4Refer to
Diagnostic Aids and Go to Step
4
4 Check for poor/faulty connection at the injector or ECM connector. If a poor/faulty connection is found,
repair as necessary.
Was the problem found?
— Verify repair Go to Step 5
5 Visually check the injector for the affected cylinder. Was the problem found? — Go to Step 11Go to Step 6
22
89
11
E-60(J1)
E-6/E-7/E-8/E-9

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007