Home Vehicle Interior Heating/Air Conditioning PTC HEATER ASSEMBLY
Last Modified: 11-27-2007 1.6 G
Service Category: Vehicle Interior Section: Heating/Air Conditioning
Model Year: 2008 Model: LX570 Doc ID: RM0000022AG00BX
Title: HEATING / AIR CONDITIONING: PTC HEATER ASSEMBLY: INSPECTION (2008 LX570)

INSPECTION

1. INSPECT PTC HEATER ASSEMBLY


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

A-1 - B-1

23 to 25°C (73 to 77°F)

0.5 to 2.5 Ω

A-2 - B-1

23 to 25°C (73 to 77°F)

0.5 to 2.5 Ω

A-2 - B-2

23 to 25°C (73 to 77°F)

0.5 to 2.5 Ω

A-3 - B-2

23 to 25°C (73 to 77°F)

0.5 to 2.5 Ω

    If the result is not as specified, replace the PTC heater assembly.