B142A-RADIO UNIT HIGH TEMPERATURE

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Continuously with the ignition and Radio on.
Set Condition:
The code will set if the temperature inside the Radio is above +65 degrees C ( +145 degrees F )

Possible Causes

HIGH TEMPERATURE FAILURE

Diagnostic Test

1. VERIFY THAT DTC B142A-RADIO UNIT HIGH TEMPERATURE IS ACTIVE.

With the scan tool, erase the DTC's.
Start the engine and allow the engine to reach normal operating temperature.
If the vehicle has been in the hot sunlight or extreme cold, move the vehicle indoors and open the doors to allow the inside temperature to stabilize.
The Radio should operate between —23 degrees C and +65 degrees C ( —10 degrees F and +145 degrees F ).
With the scan tool, read DTC's.

Does the scan tool display active: B142A-RADIO UNIT HIGH TEMPERATURE?

Yes

Replace the Radio in accordance with the Service Information.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

No

Test Complete.