Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEATBACK HEATER ASSEMBLY LH

(a) Check the resistance of the front seatback heater assembly LH.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Seatback heater temperature 23°C (73°F)	4.16 to 5.08 Ω

If the result is not as specified, replace the front seatback heater assembly LH.

Text in Illustration

*a	Component without wire harness connected (Front Seatback Heater Assembly LH)

2. INSPECT FRONT SEATBACK HEATER ASSEMBLY RH

(a) Check the resistance of the front seatback heater assembly RH.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Seatback heater temperature 23°C (73°F)	4.16 to 5.08 Ω

If the result is not as specified, replace the front seatback heater assembly RH.

Text in Illustration

*a	Component without wire harness connected (Front Seatback Heater Assembly RH)

Toyota Tundra Service Manual > Occupant Classification System: Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
DESCRIPTION The rear occupant detection sensor LH circuit consists of the occupant classification ECU and the rear occupant detection sensor LH. DTC B1782 is set when a malfunction is detected in the rear occupant detection sensor LH circuit. DTC Code DTC Detection Condition Trouble Area B1782 One o ...

Toyota Tundra Owners Manual