Daewoo MATIZ - DTC P0268 Injector 3 High Voltage

ENGINE CONTROLS 1F–133
DAEWOO M-150 BL2
The injector resistance tested at the ECM connection is
slightly more than it tested directly at the injector be-
cause it includes resistance of the harness wires. The
normal value is about 13.5Ω.
DTC P0268 – Injector 3 High Voltage
Step Action Value(s) Yes No
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
With the engine start?
–
Go to Step 3
Go to
“Engine Crank
but will not
Run”
3
1. Install a scan tool and clear the Diagnostic
Trouble Codes (DTCs).
2. Idle the engine for one minuet.
Does DTC P0268 reset?
–
Go to Step 5 Go to Step 4
4
1. Review the Freeze Frame data with the ignition
ON and the engine OFF and note the
parameters.
2. Operate the vehicle within the Freeze Frame
conditions as notes.
Does DTC P0268 reset?
–
Go to Step 5
Go to
“Diagnostic
Aids”
5
1. Turn the ignition switch to Lock.
2. Check for an open or short to battery voltage in
the wire between the injector 3 connector terminal
1 and ECM connector terminal 89.
Is the problem found?
–
Go to Step 7 Go to Step 6
6
1. Turn the ignition switch to Lock.
2. Check for short to battery voltage in the wire
between the injector 3 connector terminal 2 and
battery positive.
Is the problem found?
–
Go to Step 7 Go to Step 8
7
1. Repair the wire or the connector terminal as
needed.
2. Clear any DTCs from ECM.
3. Perform the Diagnostic System Check.
Is the repair complete?
–
System OK
–
8
1. Replace the injector valve.
2. Clear any DTCs from ECM.
3. Perform the Diagnostic System Check.
Does DTC P0268 reset?
–
Go to Step 9 System OK
9
1. Turn the ignition switch to LOCK.
2. Replace the ECM.
3. Perform the Diagnostic System Check.
Is the repair complete?
–
Go to Step 10
–
10
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
applicable DTC
table
System OK