Rear Air Seat Does Not Operate Through Front Switch

SEAT: CLIMATE CONTROL SEAT SYSTEM: Rear Air Seat does not Operate Through Front Switch
- Rear Air Seat does not Operate Through Front Switch

DESCRIPTION

A rear air seat main switch signal is sent from the No. 2 console switch (Integration control & panel) to the No. 1 console switch (combination switch). Then the signal is sent through LIN communication to the outer mirror switch, which then signal through CAN communication to the rear power seat module switch, and then rear air seat operates.

WIRING DIAGRAM









INSPECTION PROCEDURE

NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication and LIN communication malfunctions before troubleshooting this problem.

PROCEDURE

1. READ VALUE USING TECHSTREAM (SEAT HEATER SWITCH)

(a) Use the Data List to check if the rear sunshade switch is functioning properly.

Center Console Switch





OK:

On screen, each item changes between ON and OFF according to above chart.

NG -- INSPECT INTEGRATION CONTROL & PANEL ASSEMBLY (NO. 2 CONSOLE SWITCH)

OK -- REPLACE COMBINATION SWITCH ASSEMBLY (NO. 1 CONSOLE SWITCH)

2. INSPECT INTEGRATION CONTROL & PANEL ASSEMBLY (NO. 2 CONSOLE SWITCH)

(a) except 5-Passenger with Ottoman:





(1) Disconnect the No. 2 console switch connector.

(2) Measure the resistance according to the value(s) in the table below.

Standard resistance:





(b) for 5-Passenger with Ottoman:





(1) Disconnect the No. 2 console switch connector.

(2) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPLACE INTEGRATION CONTROL & PANEL ASSEMBLY (NO. 2 CONSOLE SWITCH) Removal

OK -- REPLACE COMBINATION SWITCH ASSEMBLY (NO. 1 CONSOLE SWITCH)