Dtc P0268 Injector 3 High Voltage - Daewoo MATIZ Service Manual

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