LS 460 RWD V8-4.6L (1UR-FSE) (2010)
OK:
Techstream displays "With" and "OK".
NG -- REPLACE FRONT LIGHT ECU (FRONT CONTROLLER)
OK -- END (RAIN SENSOR IS DEFECTIVE)
Driver Side Switch Module LIN Communication Malfunction
MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: Driver Side Switch Module LIN Communication Malfunction
- Driver Side Switch Module LIN Communication Malfunction
DESCRIPTION
The outer mirror switch monitors the LIN communication bus between the components related to the switches on the driver side seat.
HINT
DTC U1127, U1128 and U1129 are output simultaneously when: 1) there is an open or short in the LIN communication bus between
the switches on the driver side seat, and 2) their LIN communication bus stops.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When using the Techstream with the engine switch off to troubleshoot:
Connect the Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the
Techstream and vehicle begins.
PROCEDURE
1. CLEAR DTC
(a) Clear the DTC See: Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
2. CHECK FOR DTC