Toyota 4Runner manuals

Toyota 4Runner: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY LH

(a) Disconnect the b2 seat heater control sub-assembly LH connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

b2-6 (E) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

b2-1 (SWL) - b2-6 (E)

Ignition switch ON

Seat heater switch LH off

Below 1 V

Ignition switch ON

Seat heater switch LH on

11 to 14 V

b2-4 (B) - b2-6 (E)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Seat Heater Control Sub-assembly LH)

If the result is not as specified, there may be a malfunction on the wire harness side.

(d) Connect the b2 seat heater control sub-assembly LH connector.

(e) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

b2-5 (THL) - Body ground

Ignition switch ON

Seat heater switch LH on, MIN → MAX

Gradual increase between value below 1 V and value from 11 to 14 V

Text in Illustration

*a

Component with harness connected

(Seat Heater Control Sub-assembly LH)

If the result is not as specified, the seat heater control sub-assembly LH may have a malfunction.


2. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY RH

(a) Disconnect the a2 seat heater control sub-assembly RH connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

a2-6 (E) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

a2-1 (SWR) - a2-6 (E)

Ignition switch ON

Seat heater switch RH off

Below 1 V

Ignition switch ON

Seat heater switch RH on

11 to 14 V

a2-4 (B1) - a2-6 (E)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Seat Heater Control Sub-assembly RH)

If the result is not as specified, there may be a malfunction on the wire harness side.

(d) Connect the a2 seat heater control sub-assembly RH connector.

(e) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

a2-5 (THR) - Body ground

Ignition switch ON

Seat heater switch RH on, MIN → MAX

Gradual increase between value below 1 V and value from 11 to 14 V

Text in Illustration

*a

Component with harness connected

(Seat Heater Control Sub-assembly RH)

If the result is not as specified, the seat heater control sub-assembly RH may have a malfunction.


Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Seat Memory Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH LH 2. REMOVE NO. 2 DOOR INSIDE HANDLE BEZEL LH 3. REMOVE FRONT DOOR TR ...

Other materials about Toyota 4Runner:

Portable Player cannot be Connected Manually/Automatically
CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function, or the function may be limited using the navigation receiver assembly, even if the portable audio player itself can play files (See page ). ...

USB Device Malfunction (B1585)
DESCRIPTION This DTC is stored when a malfunction occurs in a connected device. DTC No. DTC Detection Condition Trouble Area B1585 USB Device Malfunction Non mass-storage class or inc ...

© 2016-2022 | www.to4runner.net

0.1036