Test U: A Single Climate Controlled Seat Does Not Operate/Does Not Operate Correctly

PINPOINT TEST U: A SINGLE CLIMATE CONTROLLED SEAT DOES NOT OPERATE/DOES NOT OPERATE CORRECTLY

U1-U3:

U4-U5:

Normal Operation
The dual climate control seat module (dual CCSM) receives battery voltage at C3265b circuit 1153 (RD/BK) pin 1 (driver seat) and pin 24 (passenger seat) and is supplied ground on C3265b circuit 57 (BK) pin 13.

Possible Causes
A single climate controlled seat not operating/not operating correctly can be caused by:
- dual CCSM.
- electronic automatic temperature control (EATC) module.