Dtc P0118 Engine Coolant Temperature (Ect) Sensor High Voltage - Daewoo CIELO EURO III Manual

DTC P0118 Engine Coolant Temperature (ECT) Sensor High Voltage

Step
Perform an On-Board Diagnostic (EOBD) System
Check.
1
Is the system check complete?
1. Turn the ignition switch ON, with the engine OFF.
2. Install a scan tool.
2
Is the Engine Coolant Temperature (ECT) sensor
value less than the specified value?
1. Turn the ignition switch ON, with the engine OFF.
2. Review Freeze Frame data and note the
parameters.
3. Operate the vehicle within the Freeze Frame
3
conditions and Conditions for Setting The DTC as
noted.
Is the ECT sensor value less than the specified val-
ue?
1. Disconnect the ECT sensor electrical connector.
2. Jumper the ECT sensor signal circuit at terminal
2 and the ECT sensor ground circuit at
4 terminal 1 together at the ECT electrical
connector.
Is the ECT sensor value greater than the specified
value?
Jumper the ECT sensor signal circuit at terminal
2 to chassis ground.
5
Is the ECT sensor value greater than the specified
value?
Check for poor connections at the ECT sensor and
repair as necessary.
6
Is a repair necessary?
Check the ECT sensor ground circuit for an open
and repair as necessary.
7
Is a repair necessary?
Check the ECT sensor signal circuit for an open or
short to battery and repair as necessary.
8
Is a repair necessary?
Check for a poor ECT sensor ground circuit at termi-
nal M64 or a poor ECT sensor signal circuit at
terminal M28 connection at the
9
engine control module (ECM)
and replace the terminals if necessary.
Do any of the terminal(s) need to be replaced?
1. Tur the ignition switch OFF.
10 2. Replace the ECT sensor.
Is the action complete?
1. Tur the ignition switch OFF.
11 2. Replace the ECM.
Is the action complete?
DAEWOO T-154 BL2,3
Action
ENGINE CONTROLS 1F – 128
Value Yes
–
Go to Step 2
-30 C
Go to Step 4
(-22 F)
-30 C
Go to Step 4
(-22 F)
130 C
Go to Step 6
(266 F)
130 C
Go to Step 7
(266 F)
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
–
Go to Step 12
No
Go to
"On-Board
Diagnostic
System Check"
Go Step 3
Go to "Diag-
nostic Aids"
Go to Step 5
Go to Step 8
Go to Step 10
Go to Step 9
Go to Step 9
Go to Step 11
–
–