2004 DAEWOO LACETTI P1661

ENGINE CONTROLS 1F – 3
DAEWOO V–121 BL4
DTC P0562 System Voltage(Engine Side) Too
Low 1F–270. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0563 System Voltage(Engine Side) Too
High 1F–272. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0601 Engine Control Module Checksum
Error 1F–274. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0604 Engine Control Module Internal/External
RAM Error 1F–275. . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0605 Engine Control Module INMVY Write
Error 1F–276. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0656 Fuel Level Gauge Circuit Fault 1F–277. .
DTC P1181 Variable Intake Manifold Solenoid
Low Voltage 1F–279. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1182 Variable Intake Manifold Solenoid
High Voltage 1F–281. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1230 Fuel Pump Relay Low Voltage
(1.4L DOHC) 1F–283. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1230 Fuel Pump Relay Low Voltage
(1.6L DOHC) 1F–286. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1231 Fuel Pump Relay High Voltage
(1.4L DOHC) 1F–289. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1231 Fuel Pump Relay High Voltage
(1.6L DOHC) 1F–292. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1320 Crankshaft Segment Period
Segment Adaptation At Limit 1F–295. . . . . . . . . . . .
DTC P1321 Crankshaft Segment Period Tooth
Error 1F–297. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1382 Rough Road Data Invalid
(NON ABS) 1F–299. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1382 Rough Road Data Invalid (ABS) 1F–302
DTC P1385 Rough Road Sensor Circuit Fault
(NON ABS) 1F–305. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1402 Exhaust Gas Recirculation
Blocked 1F–308. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1403 Exhaust Gas Recirculation Valve
Failure 1F–310. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1404 Exhaust Gas Recirculation Closed1F–313
DTC P1511 Idle Charge Actuator Circuit Fault 1F–316
DTC P1512 Idle Charge Actuator Mechanical
Error 1F–319. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1513 Idle Charge Actuator Functional
Error 1F–321. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1537 A/C Compressor Relay High
Voltage 1F–324. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1538 A/C Compressor Relay Low
Voltage 1F–326. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1610 Main Relay High Voltage
(1.4L DOCH) 1F–328. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1610 Main Relay High Voltage
(1.6L DOHC) 1F–330. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1611 Main Relay Low Voltage
(1.4L DOHC) 1F–332. . . . . . . . . . . . . . . . . . . . . . . . . . DTC P1611 Main Relay Low Voltage
(1.6L DOHC) 1F–334. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1628 Immobilizer No Successful
Communication 1F–336. . . . . . . . . . . . . . . . . . . . . . . .
DTC P1629 Immobilizer Wrong Computation 1F–338
DTC P1660 Malfunction Indicator Lamp (MIL)
High Voltage 1F–340. . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1661 Malfunction Indicator Lamp (MIL)
Low Voltage 1F–342. . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLE CODE DIAGNOSIS (1.8L DOHC) 1F–344.
Clearing Trouble Codes 1F–344. . . . . . . . . . . . . . . . . . .
Diagnostic Trouble Codes (1.8L DOHC) 1F–344. . . .
DTC P0106 Manifold Absolute Pressure
Rationality 1F–347. . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0107 Manifold Absolut Pressure Low
Voltage 1F–349. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0108 Manifold Absolut Pressure High
Voltage 1F–352. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0112 Intake Air Temperature Low
Voltage 1F–355. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0113 Intake Air Temperature High
Voltage 1F–358. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0117 Engine Coolant Temperature Low
Voltage 1F–361. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0118 Engine Coolant Temperature High
Voltage 1F–363. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0122 Throttle Position Sensor Low
Voltage 1F–366. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0123 Throttle Position Sensor High
Voltage 1F–369. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0131 Front Heated Oxygen Sensor
(HO2S1) Low Voltage 1F–372. . . . . . . . . . . . . . . . . .
DTC P0132 Front Heated Oxygen Sensor
(HO2S1) High Voltage 1F–375. . . . . . . . . . . . . . . . . .
DTC P0133 Front Heated Oxygen Sensor
(HO2S1) Slow Response 1F–378. . . . . . . . . . . . . . .
DTC P0134 Front Heated Oxygen Sensor
(HO2S1) No Activity or Open 1F–382. . . . . . . . . . . .
DTC P0135 Front Heated Oxygen Sensor
(HO2S1) Heater Circuit Not Functioning 1F–385. . .
DTC P0137 Rear Heated Oxygen Sensor
(HO2S2) Low Voltage 1F–388. . . . . . . . . . . . . . . . . .
DTC P0138 Rear Heated Oxygen Sensor
(HO2S2) High Voltage 1F–391. . . . . . . . . . . . . . . . . .
DTC P0140 Rear Heated Oxygen Sensor
(HO2S2) No Activity or Open 1F–394. . . . . . . . . . . .
DTC P0141 Rear Heated Oxygen Sensor
(HO2S2) Heater Circuit Not Functioning 1F–397. . .
DTC P0171 Fuel Trim System Too Lean 1F–400. . . .
DTC P0172 Fuel Trim System Too Rich 1F–404. . . . .
DTC P0201 Injector 1 Circuit Fault 1F–408. . . . . . . . .
DTC P0202 Injector 2 Circuit Fault 1F–411. . . . . . . . .

ENGINE CONTROLS 1F – 113
DAEWOO V–121 BL4
DTCIlluminate MIL Error
Type Function
P1321Crankshaft Segment Period Tooth ErrorEYES
P1382Rough Road Data Invalid (Non ABS)CnlNO
P1382Rrough Road Data Invalid (ABS)CnlNO
P1385Rough Road Sensor Circuit Fault (Non ABS)CnlNO
P1402Exhaust Gas Recirculation BlockedEYES
P1403Exhaust Gas Recirculation Valve FailureEYES
P1404Exhaust Gas Recirculation (EGR) ClosedEYES
P1511Idle Charge Actuactor Circuit FaultEYES
P1512Idle Charge Actuactor Mechanical ErrorEYES
P1513Idle Charge Actuactor Functionnal ErrorCnlNO
P1537A/C Compressor Relay High VoltageCnlNO
P1538A/C Compressor Relay Low VoltageCnlNO
P1610Main Relay High Voltage (1.4L DOHC)CnlNO
P1610Main Relay High Voltage (1.6L DOHC)AYES
P1611Main Relay Low Voltage (1.4L DOHC)CnlNO
P1611Main Relay Low Voltage (1.6L DOHC)AYES
P1628Immobilizer No Successful CommunicationCnlNO
P1629Immobilizer Wrong ComputationCnlNO
P1660Malfunction Indicator Lamp(MIL) High VoltageEYES
P1661Malfunction Indicator Lamp(MIL) Low VoltageEYES

1F – 342IENGINE CONTROLS
DAEWOO V–121 BL4
DIAGNOSTIC TROUBLE CODE (DTC) P1661
MALFUNCTION INDICATOR LAMP (MIL) LOW VOLTAGE
Circuit Description
When the ignition switch to ON, the Malfunction Indicator
Lamp (MIL) is ON steady.
When the engine cranking, the Malfunction Indicator
Lamp (MIL) is OFF after one flashing time.
If a system have some difficulties, the Malfunction Indica-
tor Lamp (MIL) is ON.
Conditions for Setting the DTC
S The Malfunction Indicator Lamp (MIL) wiring har-
ness low voltage.
Action Taken When the DTC Sets
S The Malfunction Indicator Lamp (MIL) will illuminate
after three consecutive trip with a fail.
S The ECM will record operating conditions at the
time the diagnostic fail. This information will be
stored in the Freeze Frame and Failure Records
buffers.
S A history DTC is stored.
Conditions for Clearing the MIL/DTCS The MIL will turn off after four consecutive ignition
cycles in which the diagnostic runs without a fault.
S A history DTC will clear after 40 consecutive warm–
up cycles without a fault.
S DTC(s) can be cleared by using the scan tool.
S Disconnecting the ECM battery feed for more than
10 seconds.
Diagnostic Aids
An Intermittent problem may be caused by a poor connec-
tion, rubbed through wire insulation, or wire that is broken
inside the insulation.
Any circuitry, that is suspected as causing the complaint,
should be thoroughly checked for the following conditions.
S Backed–out terminals
S Improper mating
S Broken locks
S Improperly formed
S Damaged terminals
S Poor terminals to wire connection
S Physical damage to the wiring harness

ENGINE CONTROLS 1F – 343
DAEWOO V–121 BL4
DTC P1661 – Malfunction Indicator Lamp (MIL) Low Voltage
StepActionValue(s)YesNo
1Perform an On–Board Diagnostic (EOBD) System
Check.
Is the system check complete?–Go to Step 2Go to
”On–Board
Diagnostic Sys-
tem Check”
21. Turn the ignition switch to LOCK.
2. Disconnect the cluster wiring connector.
3. With the test light, connected to ground, probe
the ignition feed circuit, at terminal B6 in the
harness connector.
Does the resistance within the specified value?0WGo to Step 3Go to Step 6
31. Turn the ignition switch to LOCK.
2. With the test light, connected to ground, probe
the ignition feed circuit, at ECM wiring connec-
tor terminal 39.
Does the test light illuminate?–Go to Step 4–
41. Turn the ignition switch to LOCK.
2. Replace the cluster.
Is the replacement complete?–Go to Step 6–
5Repair a short to ground or open between the ECM
wiring connector terminal 39 and cluster wiring con-
nector terminal B6.
Is the repair complete?–Go to Step 6–
61. Using the scan tool, clear the Diagnostic
Trouble Codes(DTCs).
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic has
run and passed?–Go to Step 7Go to Step 2
7Check if any additional DTCs are set.
Are any DTCs displayed that have not been diag-
nosed?–Go to
applicable DTC
tableSystem OK