Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH

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

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 5	Seat cushion heater temperature 23°C (73°F)	2.89 to 3.53 Ω

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

Text in Illustration

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

2. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH

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

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 5	Seat cushion heater temperature 23°C (73°F)	2.89 to 3.53 Ω

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

Text in Illustration

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

Toyota Tundra Service Manual > Power Tilt And Power Telescopic Steering Column System: Tilt and Telescopic Manual Switch Circuit Malfunction (B2603)
DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch (headlight dimmer switch assembly). The multiplex tilt and telescopic ECU then judges which motor and in which direction that motor should operate based on the voltage v ...

Toyota Tundra Owners Manual