Dtc B Rear Occupant Classification Sensor Rh Circuit Malfunction Description

The occupant classification sensor rear RH circuit consists of the occupant classification ECU and the occupant classification sensor rear RH.

DTC B1783 is recorded when a malfunction is detected in the occupant classification sensor rear RH circuit.

DIAGN

OSTIC TROUBLE CODE CHART

DTC No.

DTC Detecting Condition

Trouble Area

B1783

• The occupant classification ECU 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 sensor rear RH circuit for 2 seconds.

• Occupant classification sensor rear RH malfunction

• Occupant classification ECU malfunction

• Front seat assembly RH (Occupant classification sensor rear RH)

• Occupant classification ECU

• Seat wire No. 1

HINT:

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the supplemental restraint system, check the DTCs stored in the occupant classification ECU. When DTC B1783 is output, perform troubleshooting for the DTC.

WIRING DIAGRAM

2006 RESTRAINTS Supplemental Restraint System - Sequoia

O ccu pa n t CI a ssifl cat ion Sensor Rear RH

Occupant Classification ECU

O ccu pa n t CI a ssifl cat ion Sensor Rear RH

SGD4

R-W

3

\

SIG4

L-W

t

2

\

SVC4

Y

/

SIG4

SVC4

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