Daewoo CIELO EURO III Manual page 378

1F – 209 ENGINE CONTROLS
Step
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 noted.
Does DTC P0203 reset?
1. Turn the ignition OFF.
2. Disconnect the
engine control module (ECM) connector
(white) for injector 3.
5
3. Turn the ignition ON, with the engine OFF.
4. With a test light connected to ground, probe the
driver circuit, terminal M24.
Does the test light illuminate?
Repair the short to ground or open in the injector
driver circuit.
6
Is the action complete?
1. Disconnect the injector 3 wiring connection.
2. With a test light connected to ground, probe the
7
driver circuit, terminal 2.
Does the test light illuminate?
Repair the short to voltage in the injector driver
8 circuit.
Is the repair complete?
1. Turn the ignition OFF.
9 2. Replace the ECM.
Is the action complete?
1. Using the scan tool, clear the DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
10
setting this DTC as specified in the supporting
text.
Does the scan to0l indicate that this diagnostic ran
and passed?
Check if any additional DTCs are set.
11 Are any DTCs displayed that have not been
diagnosed?
DTC P0203 Injector 3 Output Circuit Fault (Cont'd)
Action Value Yes
–
Go to Step 5
–
Go to Step 7
–
Go to Step 10
–
Go to Step 8
–
Go to Step 10
–
Go to Step 10
–
Go to Step 11
– Go to applicable
DTC table
No
Go to "Diag-
nostic Aids"
Go to Step 6
–
Go to Step 9
–
–
Go to Step 3
System OK
DAEWOO T-154 BL2,3