Daewoo Nubira Owner's Manual page 162

1F – 38IENGINE CONTROLS
Step
11
1. Turn the ignition OFF.
2. Disconnect the Crankshaft Position (CKP) sen-
sor connector.
3. Turn the ignition ON.
4. Measure the voltage between the CKP connec-
tor terminals 1 and 3.
Does the voltage measure near the value specified?
12 Measure the voltage between the CKP connector
terminals 2 and 3.
Does the voltage measure near the value specified?
13 Measure the voltage between the CKP connector
terminals 1 and ground.
Does the voltage measure near the value specified?
14 Measure the voltage between the CKP connector
terminals 2 and ground.
Does the voltage measure near the value specified?
15 Check for an open or short in the wire between the
CKP connector terminal 3 and ground.
Is the problem found?
16 Check for an open or short in the wire between the
CKP connector terminal 1 and the powertrain control
module (PCM)/engine control module (ECM) con-
nector terminal C6.
Is the problem found?
17 Check for an open or short in the wire between the
CKP connector terminal 2 and the PCM/ECM con-
nector terminal C5.
Is the problem found?
18 Repair the wiring as needed.
Is the repair complete?
19
1. Disconnect the electronic ignition (EI) system
ignition coil connector to prevent the vehicle
from starting.
2. Measure the voltage at the PCM/ECM connec-
tor terminal C6 by backprobing the PCM/ECM
connector.
Are the voltage readings near the values specified?
20 Measure the voltage at the PCM/ECM connector
terminal C5 by backprobing the PCM/ECM connec-
tor.
Are the voltage readings near the values specified?
21 Replace the CKP sensor.
Is the repair complete?
22
1. Turn the ignition OFF.
2. Disconnect the electrical connector at the EI
system ignition coil.
3. Connect a test light between terminal D of the
EI system ignition coil connector and ground.
4. Turn the ignition ON.
Is the test light on?
Action Value(s) Yes
1.08 volts Go toStep 12
1.08 volts Go toStep 19
1.08 volts Go toStep 15
1.08 volts Go toStep 15
Go toStep 18
Go toStep 18
Go toStep 18
Go toStep 2
1.08 v with igni- Go toStep 20
tion ON, 1.20 v
during cranking
1.08 v with igni- Go toStep 22
tion ON, 1.20 v
during cranking
Go toStep 2
Go toStep 23
No
Go toStep 13
Go toStep 14
Go toStep 16
Go toStep 17
Go toStep 33
Go toStep 33
Go toStep 33
Go toStep 21
Go toStep 21
Go toStep 24
DAEWOO V–121 BL4