Diagnostic Trouble Code Chart

DTC B1635/24 is output.

A

DTC B1630/23 is output.

B

DTC B1630/23 and B1635/24 are not output.

Codes than other DTC B1630/23 and B1635/24 may be output at this time, but they are not related check.

2007 RESTRAINTS Supplemental Restraint System - Sequoia

Toyota Fault Code B1650
Fig. 105: Identifying DLC3 Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2007 RESTRAINTS Supplemental Restraint System - Sequoia

B: REPLACE REAR AIRBAG SENSOR LH C: USE SIMULATION METHOD TO CHECK DTC B1650/32 OCCUPANT DETECTION SENSOR CIRCUIT MALFUNCTION DESCRIPTION

The occupant classification system circuit consists of the center airbag sensor assembly and the occupant classification system.

If the center airbag sensor assembly receives signals from the occupant classification ECU, it determines whether or not the front passenger airbag assembly, side airbag assembly RH and seat belt pretensioner RH should be operated.

DTC B1650/32 is recorded when a malfunction is detected in the occupant classification system circuit.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.

DTC Detecting Condition

Trouble Area

B1650/32

• Occupant classification system malfunction

• The center airbag sensor assembly receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the occupant classification system circuit for 2 seconds.

• Center airbag sensor assembly malfunction

• Occupant classification system

• Center airbag sensor assembly

• Seat wire No. 1

WIRING DIAGRAM

WIRING DIAGRAM

2007 RESTRAINTS Supplemental Restraint System - Sequoia

Occupant Classification System
Fig. 106: Occupant Detection Sensor Circuit Malfunction - Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

Check for DTCs of the airbag sensor assembly. If the DTC B1650/32 is detected, replace the occupant classification ECU (See OCCUPANT CLASSIFICATION ECU ) and perform a "Zero point calibration" and "Sensitivity check" of the occupant classification system (See page DI-RS-28).

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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Responses

  • aleandro
    Where is the diagnostic plug on 2007 sequoia?
    8 years ago
  • tiia
    How to Diagnose toyota sequoia?
    2 years ago

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