
1F–64 ENGINE CONTROLS
DAEWOO M-150 BL2
DTC P0108 – Manifold Absolute Pressure Sensor High Voltage (Cont’d)
StepActionValue(s)YesNo
11
1. Replace the manifold absolute pressure sensor.
2. Clear any DTCs from the ECM.
3. Perform the diagnostic system check.
Is the replacement complete?
–
System OK
–
12Replace the ECM.
Is the replacement complete?–Go to Step 13Go to Step 2
13
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
applicable DTC
table
System OK

ENGINE CONTROLS 1F–67
DAEWOO M-150 BL2
DTC P0112 – Intake Air Temperature Sensor Low Voltage
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Connect the scan tool to the data link
connector(DLC).
2. Run the engine until it reaches operating
temperature.
Does the scan tool show the IAT sensor reading
within the value specified?
15–80°C
Go to
“Diagnostic
Aids”
Go to Step 3
3
1. Turn the ignition switch to LOCK.
2. Disconnect the IAT sensor connector.
3. Turn the ignition switch to ON.
Does the scan tool show the IAT sensor reading
within the value specified?
≤-30°CGo to Step 4Go to Step 5
4
Check for a faulty connector or terminals at the IAT
sensor connector.
Is the problem found?
–
Go to Step 7Go to Step 6
5
Check for wire for a short to ground between the IAT
connector terminal 1 and the ECM connector
terminal 79.
Is the problem found?
–
Go to Step 7Go to Step 6
6
Check for wire for a short to ECM reference voltage
between the IAT sensor connector terminal 2 and
the ECM connector terminal 47.
Is the problem found?
4.5–5.0VGo to Step 7Go to Step 9
7
1. Turn the ignition switch to LOCK.
2. Repair the wire or the connector terminal as
needed.
3. Clear any DTCs from the ECM.
4. Run the engine until it reaches operating
temperature.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
8
1. Turn the ignition switch to LOCK.
2. Replace the IAT sensor.
3. Clear any DTCs from the ECM.
4. Run the engine until it reaches operating
temperature.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
9
1. Turn the ignition switch to LOCK.
2. Replace the engine control module(ECM).
3. Run the engine until it reaches operating
temperature.
4. Perform the diagnostic system check.
Is the repair complete?
–
Go to Step 10
–
10
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
applicable DTC
table
System OK

ENGINE CONTROLS 1F–69
DAEWOO M-150 BL2
DTC P0113 – Intake Air Temperature Sensor High Voltage
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Connect the scan tool to the data link connector
(DLC).
2. Run the engine unit it reaches operating
temperature.
Does the scan tool show the intake air temperature
(IAT) sensor reading within the value specified?
15~80°C
(10~176°F)
Go to
“Diagnostic
Aids”
Go to Step 3
3
1. Turn the ignition switch to LOCK.
2. Disconnect the IAT sensor connector.
3. Jumper to IAT sensor connector terminals.
4. Turn the ignition switch to ON.
Does the scan tool show the IAT sensor reading the
value specified?
180°C
(356°F)
Go to Step 4Go to Step 5
4
Check for a faulty connector or terminals 1 and 2 of
the IAT sensor connector.
Is the problem found?
–
Go to Step 10Go to Step 9
5
Measure the voltage between terminals 1 and 2 of
IAT sensor connector.
Does the voltage measure within the value
specified?
4.5~5.5VGo to Step 11Go to Step 6
6
Measure the voltage between the IAT sensor
connector terminal 2 and the battery
ground(negative) post.
Does the voltage measure within the value
specified?
4.5~5.5VGo to Step 7Go to Step 8
7
1. Turn the ignition switch to LOCK.
2. Check for an open or short to battery voltage in
the wire between the IAT sensor connector
terminal 2 and the engine control module(ECM)
connector terminal 47.
Is the problem found?
–
Go to Step 10Go to Step 11
8
1. Turn the ignition switch to LOCK.
2. Check for an open or short to battery voltage in
the wire between the IAT sensor connector
terminal 1 and the ECM connector terminal 79.
Is the problem found?
–
Go to Step 10Go to Step 11
9
1. Turn the ignition switch to LOCK
2. Replace the IAT sensor.
3. Clear any DTCs from the ECM.
4. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
10
1. Turn the ignition switch to LOCK.
2.Repair the wire of the connector terminals as
needed.
3. Clear any DTCs from the ECM.
4. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–

1F–70 ENGINE CONTROLS
DAEWOO M-150 BL2
DTC P0113 – Intake Air Temperature Sensor High Voltage (Cont’d)
StepActionValue(s)YesNo
11
1. Replace the ECM
2. Perform the diagnostic system check.
Is the repair complete?
–
Go to Step 12
–
12
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–Go to applicable
DTC table
System OK

ENGINE CONTROLS 1F–73
DAEWOO M-150 BL2
DTC P0117 – Engine Coolant Temperature Sensor Low Voltage
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Connect the scan tool to the data link connector
(DLC).
2. Run the engine until it reaches operating
temperature.
Does the scan tool show the ECT sensor reading
within the value specified?
80~110°C
(176~230°F)
Go to
“Diagnostic
Aids”
Go to Step 3
3
1. Turn the ignition switch to LOCK.
2. Disconnect the ECT sensor connector.
3. Turn the ignition switch to ON.
Does the scan tool show the IAT sensor reading
within the value specified?
≥-30°C(-22°F)Go to Step 4Go to Step 6
4
1. Jumper the ECT sensor signal circuits at terminal
A and B.
2. Turn the ignition switch to ON.
Does the scan tool show the ECT sensor reading
within the value specified?
≥120°CGo to Step 5Go to Step 6
5
1. Replace the ECT sensor.
2. Clear any DTCs from the ECM.
3. Perform the diagnostic system check.
Is the replacement complete?
–
System OK
–
6
Measure the voltage between ECT terminal A and
ground.
Does the voltage measure within the value
specified?
4.5–5.0VGo to Step 7Go to Step 8
7
1. Turn the ignition switch to LOCK.
2. Disconnect the ECM wiring connector.
3. Check for a faulty connector or terminals at the
ECT sensor connectors and ECM connectors for
short to ECM reference voltage.
Is the problem found?
–
Go to Step 9Go to Step 8
8
1. Turn the ignition switch to LOCK.
2. Repair the wire of the connector terminals as
needed.
3. Clear any DTCs from the ECM.
4. Run the engine until it reaches operating
temperature.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
9
1. Replace the ECM.
2. Run the engine until it reaches operating
temperature.
3. Perform the diagnostic system check.
Is the repair complete?
–
Go to Step 10
–
10
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
applicable DTC
table
System OK

ENGINE CONTROLS 1F–75
DAEWOO M-150 BL2
DTC P0118 – Engine Coolant Temperature Sensor High Voltage
StepActionValue(s)YesNo
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Connect the scan tool to the data link connector
(DLC).
2. Run the engine until it reaches operating
temperature.
Does the scan tool show the ECT sensor reading
within the value specified?
80~110°C
(176~230°F)
Go to
“Diagnostic
Aids”
Go to Step 3
3
1. Turn the ignition switch to LOCK.
2. Disconnect the ECT sensor connector.
3. Turn the ignition switch to ON.
Does the scan tool show the ECT sensor reading
within the value specified?
≥-30°CGo to Step 4Go to Step 6
4
1. Jumper the ECT sensor signal circuits at terminal
B and A.
2. Turn the ignition switch to ON.
Does the scan tool show the ECT sensor reading
within the value specified?
≥180°C
(356°F)
Go to Step 5Go to Step 6
5
1. Replace the ECT sensor.
2. Clear any DTCs from the ECM.
3. Perform the diagnostic system check.
Is the replacement complete?
–
System OK
–
6
Measure the voltage between ECT terminal B and
ground.
Does the voltage measure within the value
specified?
4.5–5.0VGo to Step 7Go to Step 8
7
1. Turn the ignition switch to LOCK.
2. Disconnect the ECM wiring connector.
3. Check for a faulty connector or terminals at the
ECT sensor connector terminal A and the ECM
connector terminal 45 for an open or short to
battery voltage.
Is the problem found?
–
Go to Step 8Go to Step 9
8
1. Turn the ignition switch to LOCK.
2. Repair the wire of the connector terminals as
needed.
3. Clear any DTCs from the ECM.
4. Run the engine until it reaches operating
temperature.
5. Perform the diagnostic system check.
Is the repair complete?
–
System OK
–
9
1. Replace the ECM.
2. Run the engine until it reaches operating
temperature.
3. Perform the diagnostic system check.
Is the repair complete?
–
Go to Step 10
–
10
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
applicable DTC
table
System OK

ENGINE CONTROLS 1F–77
DAEWOO M-150 BL2
DTC P0122 – Throttle Position Sensor Low Voltage
StepActionValue(s)YesNo
1
Perform an On-Board Diagnostic (EOBD) System
Check.
Was the check performed?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Install a scan tool to the Data Link Connector
(DLC).
2. Turn the ignition ON.
Is the Throttle Position (TP) sensor voltage below
the specified value?
0.20 VGo to Step 4Go to Step 3
3
1. Turn the ignition ON.
2. Review the Freeze Frame data and note the
parameters.
3. Operate the vehicle within the Freeze Frame
conditions and Conditions for Setting the DTC as
noted.
Is the TP sensor voltage below the specified value?
0.20 VGo to Step 4Go to Step 12
4
1. Turn the ignition OFF.
2. Disconnect the TP sensor connector.
3. Turn the ignition ON.
4. Jump the 5 volt reference circuit terminal B and
the TP signal circuit terminal C at the TP sensor
connector.
Is the TP sensor voltage over the specified value?
4.0 VGo to Step 10Go to Step 5
5
Connect a test light between B+ and the TP sensor
signal circuit terminal C.
Is the TP sensor voltage greater than the specified
value?
4.0 VGo to Step 6Go to Step 8
6
Check the TP sensor 5 volt reference circuit for an
open or short to ground and repair as needed.
Is the repair complete?
–
Go to Step 12Go to Step 7
7
Check the 5 volt reference circuit for a poor
connection at terminal 75 of the Engine Control
Module (ECM) and repair as needed.
Is the repair complete?
–
Go to Step 12Go to Step 11
8
Check the TP sensor signal circuit between terminal
C of the TP sensor and terminal 44 of the ECM for
an open or a short to ground and repair as needed.
Is the repair complete?
–
Go to Step 12Go to Step 9
9
Check the TP sensor signal circuit, terminal 44 of
the ECM for a poor connection and repair as
needed.
Is the repair complete?
–
Go to Step 12Go to Step 11
10Replace the throttle body assembly.
Is the action complete?–Go to Step 12–
11
1. Turn the ignition switch OFF.
2. Replace the ECM.
Is the action complete?
–
Go to Step 12
–

1F–78 ENGINE CONTROLS
DAEWOO M-150 BL2
DTC P0122 – Throttle Position Sensor Low Voltage (Cont’d)
StepActionValue(s)YesNo
12
1. 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 13Go to Step 2
13
Check if any additional DTCs are set.
Are any DTCs displayed that have not been
diagnosed?
–
Go to
Applicable DTC
Table
System OK