Dtc P0117 Engine Coolant Temperature Sensor Low Voltage - Daewoo MATIZ Service Manual

DTC P0117 – Engine Coolant Temperature Sensor Low Voltage
Step
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
1
Is the system check complete?
1. Connect the scan tool to the data link connector
(DLC).
2. Run the engine until it reaches operating
2
temperature.
Does the scan tool show the ECT sensor reading
within the value specified?
1. Turn the ignition switch to LOCK.
2. Disconnect the ECT sensor connector.
3
3. Turn the ignition switch to ON.
Does the scan tool show the IAT sensor reading
within the value specified?
1. Jumper the ECT sensor signal circuits at terminal
A and B.
2. Turn the ignition switch to ON.
4
Does the scan tool show the ECT sensor reading
within the value specified?
1. Replace the ECT sensor.
2. Clear any DTCs from the ECM.
5
3. Perform the diagnostic system check.
Is the replacement complete?
Measure the voltage between ECT terminal A and
ground.
6
Does the voltage measure within the value
specified?
1. Turn the ignition switch to LOCK.
2. Disconnect the ECM wiring connector.
3. Check for a faulty connector or terminals at the
7
ECT sensor connectors and ECM connectors for
short to ECM reference voltage.
Is the problem found?
1. Turn the ignition switch to LOCK.
2. Repair the wire of the connector terminals as
needed.
3. Clear any DTCs from the ECM.
8
4. Run the engine until it reaches operating
temperature.
5. Perform the diagnostic system check.
Is the repair complete?
1. Replace the ECM.
2. Run the engine until it reaches operating
temperature.
9
3. Perform the diagnostic system check.
Is the repair complete?
Check if any additional DTCs are set.
10
Are any DTCs displaced that have not been
diagnosed?
DAEWOO M-150 BL2
Action
ENGINE CONTROLS 1F – 73
Value(s) Yes
–
Go to Step 2
Go to
80~110°C "Diagnostic
(176~230°F) Aids"
≥-30°C(-22°F)
Go to Step 4
≥ 120°C
Go to Step 5
–
System OK
4.5–5.0V Go to Step 7
–
Go to Step 9
–
System OK
–
Go to Step 10
Go to
applicable DTC
–
table
No
Go to
"On-Board
Diagnostic
System Check"
Go to Step 3
Go to Step 6
Go to Step 6
–
Go to Step 8
Go to Step 8
–
–
System OK