Vehicle Interior

Ptc Heater Assembly

~1min read
Components COMPONENTS ILLUSTRATION
Removal REMOVAL PROCEDURE

1. REMOVE AIR CONDITIONING UNIT

(a) Remove the air conditioning unit (See page ).


2. REMOVE QUICK HEATER ASSEMBLY

(a) Detach the 2 clamps.

(b) Remove the 2 screws and quick heater.

Inspection INSPECTION PROCEDURE

1. INSPECT QUICK 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

0.5 to 2.5 Ω

A-2 - B-1

23 to 25 °C

0.5 to 2.5 Ω

A-2 - B-2

23 to 25 °C

0.5 to 2.5 Ω

A-3 - B-2

23 to 25 °C

0.5 to 2.5 Ω

  • If the result is not as specified, replace the quick heater assembly.
Text in Illustration

*1

Connector A

*2

Connector B

*a

Component without harness connected

(Quick Heater Assembly)

Installation INSTALLATION PROCEDURE

1. INSTALL QUICK HEATER ASSEMBLY

(a) Attach the 2 clamps to install the quick heater.

(b) Install the 2 screws.

2. INSTALL AIR CONDITIONING UNIT

(a) Install the air conditioning unit (See page ).

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.