Faulty Signal

ECM-110A OUTSIDE TEMPERATURE SENSOR
FAULTY SIGNAL




Checking components and wiring
Hint: The outside temperature sensor for the engine control module (ECM) is in the left-hand door mirror.
- Ignition on
- Read off the outside temperature in Volts. Check that it matches the value in the table.




- Ignition off.

Check the engine control module (ECM) and outside temperature sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Other information:
- To connect the breakout box, Connecting the Breakout Box (ECM)
- For information about signals, Pinout Values and Diagnostic Parameters
- To access or replace the outside temperature sensor, Outside Temperature Sensor Door Mirror, Replacing
- To fault-trace the wiring and terminals, Checking Wiring and Terminals


Verification



Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Read off the outside temperature in Volts. Check that it matches the value in the table.




Is the value within its permitted range?
Yes - Testing Complete
No - Continue Below.


Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.