U1131

DTC U1131 Lost Communication with Rear Climate Control Seat ECU LH

DESCRIPTION

DTC Detection Condition:

This DTC is output when LIN communication between the rear seat climate control ECU LH and rear power seat module switch stops for 10 seconds or more.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 4 (Continued)-6:

INSPECTION PROCEDURE

NOTE: When using the intelligent tester (with CAN VIM) or Techstream with the engine switch off to troubleshoot:
Connect the intelligent tester (with CAN VIM) or Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.

HINT: When DTC U0211, U0246, U1130 and U1131 are output simultaneously, perform troubleshooting for "Rear Side Switch Module LIN Communication Malfunction" first.