Last Modified: 4-30-2014 6.6 D Doc ID: RM0000018HV005X
Model Year: 2006 Model: LX470 Prod Date Range: [01/2006 -           ]
Title: SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2006 MY LX470 [01/2006 -        ]

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the seat belt warning system.
  • *: Use the intelligent tester.

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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3.

CHECK FOR DTC (OCCUPANT CLASSIFICATION SYSTEM)

(a) Check for occupant classification system DTCs.

Result

Result

Proceed to

DTC is not output

A

DTC is output

B
B

Go to OCCUPANT CLASSIFICATION SYSTEM
A

4.

CHECK FOR DTC (AIRBAG SYSTEM)

(a) Check for airbag system DTCs.

Result

Result

Proceed to

DTC is not output

A

DTC is output

B
B

Go to AIRBAG SYSTEM
A

5.

PROBLEM SYMPTOMS TABLE

Result

Result

Proceed to

Fault is not listed on problem symptoms table

A

Fault is listed on problem symptoms table

B
B

Go to step 7
A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU 2006 MY LX470 [05/2005 -        ]; SEAT BELT: SEAT BELT WARNING SYSTEM: TERMINALS OF ECU

(b) DATA LIST / ACTIVE TEST 2006 MY LX470 [05/2005 -        ]; SEAT BELT: SEAT BELT WARNING SYSTEM: DATA LIST / ACTIVE TEST

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7.

REPAIR OR REPLACE
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8.

CONFIRMATION TEST
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END