Dtc P1392 G Sensor Rough Road Low Voltage - Daewoo CIELO EURO III Manual

Step
Perform an On-Board Diagnostic (EOBD) System
Check.
1
Is the system check complete?
1. Turn the ignition ON, engine OFF.
2. Observe the ROUGH ROAD value displayed on
2 the scan tool.
Is the ROUGH ROAD value near the specified val-
ue?
1. Turn the ignition ON, engine OFF.
2. Review and record the scan tool Failure Records
data.
3. Operate the vehicle within Failure Records
3
conditions as noted.
4. Using the scan tool, monitor specific Diagnostic
Trouble Code (DTC) info for DTC P1392.
Does the scan tool indicate that DTC P1392 failed?
1. Disconnect the G sensor electrical connector.
2. Jumper the 5 volt reference circuit, terminal 1 and
the G sensor signal circuit, terminal 2 together at
the G sensor harness connector.
4
3. Observe the G sensor value displayed on the
scan tool.
Is the G sensor value near the specified value?
1. Turn the ignition OFF.
2. Disconnect the
engine control module (ECM) and check
the 5 volt reference circuit for an open or short to
5
ground.
3. If the problem is found, repair as necessary.
Is a problem found?
Check the 5 volt reference circuit for a poor connec-
tion at the CM and replace the terminal if
6
necessary.
Does the terminal require replacement?
1. Turn the ignition OFF.
2. Disconnect the ECM and check the sensor
signal circuit for an open, short to ground, or short
7
to the sensor ground circuit.
3. If the problem is found, repair as necessary.
Is a problem found?
Check the G sensor signal circuit for a poor connec-
tion at the ECM and replace the terminal if
8
necessary.
Did the terminal require replacement?
1. Turn the ignition OFF.
9
2. Replace the G sensor.
Is the repair complete?
1. Turn the ignition OFF.
10
2. Replace the ECM
Is the repair complete?
DAEWOO T-154 BL2,3
DTC P1392 – G Sensor Rough Road Low Voltage
Action
ENGINE CONTROLS 1F – 285
Value Yes
–
Go to Step 2
0.0 v Go to Step 4
–
Go to Step 4
4.95 v Go to Step 9
–
Go to Step 11
–
Go to Step 11
–
Go to Step 11
–
Go to Step 11
–
Go to Step 11
–
Go to Step 11
No
Go to "On-
Board Diag-
nostic System
Check"
Go to Step 3
Go to "Diag-
nostic Aids"
Go to Step 5
Go to Step 6
Go to Step 7
Go to Step 8
Go to Step 10
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–