Outside Air Temperature Display Inaccurate or Inoperative

Outside Air Temperature Display Inaccurate or Inoperative

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.

* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit/System Description

The instrument panel cluster (IPC) displays the Outside Air (Ambient) Temperature from serial data received from the HVAC module. The HVAC Module process the signal from the Ambient Air Temperature Sensor.

Reference Information

Description and Operation

Automatic Day-Night Mirror Description and Operation Automatic Day-Night Mirror

Circuit/System Verification

For diagnosis, refer to DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578, or B3583 HVAC - Automatic.