Daewoo MATIZ User Manual

ENGINE CONTROLS 1F–67
DAEWOO M-150 BL2
DTC P0112 – Intake Air Temperature Sensor Low Voltage
Step Action Value(s) Yes No
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°C Go to Step 4 Go to Step 5
4
Check for a faulty connector or terminals at the IAT
sensor connector.
Is the problem found?
–
Go to Step 7 Go 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 7 Go 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? 4.5–5.0V Go to Step 7 Go 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

Daewoo MATIZ Specifications

General

Brand	Daewoo
Model	MATIZ
Category	Automobile
Language	English