Inspection Procedure
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.
- CLEAR DTC
- Delete the DTC (see DTC CHECK / CLEAR ).
- CHECK FOR DTC
- Check for DTC (see DTC CHECK / CLEAR
).
Result:
RESULTResult Proceed to DTC U0211, U0246, U1130* and U1131* output occurs A DTC U0211, U0246, U1130* or U1131* output occurs B No DTC output occurs C HINT:
*: w/ Rear Climate Control Seat System
B: GO TO DTC CHART
C: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )
A: GO TO NEXT STEP
- Check for DTC (see DTC CHECK / CLEAR
).
- CHECK HARNESS AND CONNECTOR (REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH)
- Disconnect the r2*1 or S15*2 module switch connectors.
HINT:
*1: w/o Ottoman
*2: w/ Ottoman
- Disconnect the f5 ECU connector.
- Measure the resistance and voltage according to the value(s) in the table below.
Standard resistance
w/o Ottoman:
REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH RESISTANCE W/O OTTOMANTester Connection Condition Specified Condition r2-6 (LIN) - f5-7 (LIN) Always Below 1 Ω r2-6 (LIN) or f5-7 (LIN) -Body ground Always 10 kΩ or higher w/ Ottoman:
REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH RESISTANCE W/OTTOMANTester Connection Condition Specified Condition S15-3(LIN)-f5-7(LIN) Always Below 1 Ω S15-3 (LIN) or f5-7 (LIN) - Body ground Always 10 kΩ or higher Standard voltage
w/o Ottoman:
REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH VOLTAGE W/O OTTOMANTester Connection Condition Specified Condition r2-6 (LIN) or f5-7 (LIN) -Body ground Always Below 1 V w/ Ottoman:
REAR POWER SEAT MODULE SWITCH POSITION CONTROL ECU LH VOLTAGE W/OTTOMANTester Connection Condition Specified Condition S15-3(LIN)or f5-7(LIN) - Body ground Always Below 1 V
OK: REPLACE REAR POWER SEAT MODULE SWITCH (See DISASSEMBLY )
NG: GO TO NEXT STEP
- Disconnect the r2*1 or S15*2 module switch connectors.
- CLEAR DTC
- Reconnect the r2*1 or S15*2 module switch connectors.
HINT:
*1: w/o Ottoman
*2: w/ Ottoman
- Delete the DTC (see DTC CHECK / CLEAR ).
- Reconnect the r2*1 or S15*2 module switch connectors.
- CHECK FOR DTC
- Disconnect the f5 ECU connector.
- Recheck for DTC (see DTC CHECK / CLEAR
).
Result:
RESULTResult Proceed to DTC U0211,110246, U1130* and U1131* output occurs A DTC U0211 output occurs B HINT:
*: w/ Rear Climate Control Seat System
B: REPLACE POSITION CONTROL ECU RH
A: GO TO NEXT STEP
- CLEAR DTC
- Reconnect the f5 ECU connector.
- Delete the DTC (see DTC CHECK / CLEAR ).
- CHECK FOR DTC
- Disconnect the f25 ECU connector.
- Recheck for DTC (see DTC CHECK / CLEAR
).
Result:
RESULTResult Proceed to DTC U0211 and U0246 output occurs C DTC U0211, U0246, U1130* and U1131* output occurs A DTC U0246 output occurs B HINT:
*: w/ Rear Climate Control Seat System
B: REPLACE POSITION CONTROL ECU LH
C: REPAIR OR REPLACE HARNESS OR CONNECTOR
A: GO TO NEXT STEP
- CLEAR DTC
- Reconnect the f25 ECU connector.
- Delete the DTC (see DTC CHECK / CLEAR ).
- CHECK FOR DTC
- Disconnect the f8 ECU connector.
- Recheck for DTC (see DTC CHECK / CLEAR
).
Result:
RESULTResult Proceed to DTC U0211, U0246, U1130* and U1131* output occurs A DTC U1130* output occurs B HINT:
*: w/ Rear Climate Control Seat System
B: REPLACE REAR SEAT CLIMATE CONTROL ECU RH
A: GO TO NEXT STEP
- CLEAR DTC
- Reconnect the f8 ECU connector.
- Delete the DTC (see DTC CHECK / CLEAR ).
- CHECK FOR DTC
- Disconnect the f28 ECU connector.
- Recheck for DTC (see DTC CHECK / CLEAR
).
Result:
RESULTResult Proceed to DTC U0211, U0246, U1130* and U1131* output occurs A DTC U1131* output occurs B HINT:
*: w/ Rear Climate Control Seat System
B: REPLACE REAR SEAT CLIMATE CONTROL ECU LH
A: REPAIR OR REPLACE HARNESS OR CONNECTOR