DAEWOO NUBIRA 2004 Service Repair Manual

DAEWOO NUBIRA 2004 Service Repair Manual NUBIRA 2004 DAEWOO DAEWOO https://www.carmanualsonline.info/img/54/56879/w960_56879-0.png DAEWOO NUBIRA 2004 Service Repair Manual
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Page 531 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 285
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
111.  Repair the wire between the fuel pump relay
connector terminal 86 and the ignition key ON
(IGN1).
2.  Install the fuel p

Page 532 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 286IENGINE CONTROLS
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1230
FUEL PUMP RELAY LOW VOLTAGE (1.6L DOHC)
Circuit Description
When the ignition switch is turned ON, the ECM will acti-

Page 533 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 287
DAEWOO V–121 BL4
DTC P1230 – Fuel Pump Relay Low Voltage (1.6L DOHC)
StepActionValue(s)YesNo
1Perform an Euro On–Board Diagnostic (EOBD)
System Check.
Is the system c

Page 534 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 288IENGINE CONTROLS
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
111.  Repair the wire between the fuel pump relay
connector terminal 86 and the ignition key ON
(IGN1).
2.  Install the fuel pu

Page 535 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 289
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1231
FUEL PUMP RELAY HIGH VOLTAGE (1.4L DOHC)
Circuit Description
When the ignition switch is turned ON, the ECM will acti

Page 536 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 290IENGINE CONTROLS
DAEWOO V–121 BL4
DTC P1231 – Fuel Pump Relay High Voltage (1.4L DOHC)
StepActionValue(s)YesNo
1Perform an Euro On–Board Diagnostic (EOBD)
System Check.
Is the system c

Page 537 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 291
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
101.  Replace the ECM.
2.  Turn the ignition OFF for 10 seconds.
3.  Clear any DTCs from ECM.
4.  Turn the ignition switch to

Page 538 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 292IENGINE CONTROLS
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1231
FUEL PUMP RELAY HIGH VOLTAGE (1.6L DOHC)
Circuit Description
When the ignition switch is turned ON, the ECM will acti-

Page 539 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 293
DAEWOO V–121 BL4
DTC P1231 – Fuel Pump Relay High Voltage (1.6L DOHC)
StepActionValue(s)YesNo
1Perform an Euro On–Board Diagnostic (EOBD)
System Check.
Is the system

Page 540 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 294IENGINE CONTROLS
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
101.  Replace the ECM.
2.  Turn the ignition OFF for 10 seconds.
3.  Clear any DTCs from ECM.
4.  Turn the ignition switch to O
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