Toyota 4Runner: Automatic Running Board Switch

Toyota 4Runner Service Manual / Vehicle Exterior / Exterior Panels / Trim / Automatic Running Board Switch

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH

2. REMOVE COWL SIDE TRIM BOARD LH

3. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH

4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY

5. REMOVE SIDE AUTO STEP SWITCH ASSEMBLY

(a) Disengage the 2 claws and remove the side auto step switch assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT SIDE AUTO STEP SWITCH ASSEMBLY

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
3 (CTY1) - 4 (ECU1)	AUTO	Below 1 Ω
3 (CTY1) - 4 (ECU1)	OFF	10 kΩ or higher
5 (CTY2) - 6 (ECU2)	AUTO	Below 1 Ω
5 (CTY2) - 6 (ECU2)	OFF	10 kΩ or higher

(b) Apply battery voltage to the connector and check the LED illumination.

OK:

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 7 (ILL+) Battery negative (-) → Terminal 2 (ILL-)	LED illuminates

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 7 (ILL+)

Battery negative (-) → Terminal 2 (ILL-)

LED illuminates

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

A bolt without a torque specification is shown in the standard bolt chart (See page ).

PROCEDURE

1. INSTALL SIDE AUTO STEP SWITCH ASSEMBLY

(a) Engage the 2 claws and install the side auto step switch assembly.

2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY

3. INSTALL NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH

4. INSTALL COWL SIDE TRIM BOARD LH

5. INSTALL DOOR SCUFF PLATE ASSEMBLY LH

Removal

REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS sys ...

Automatic Running Board System

...

Other materials about Toyota 4Runner:

Center Airbag Sensor Assembly Malfunction (B1000/31)
DESCRIPTION The center airbag sensor assembly consists of a deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc. If the center airbag sensor assembly receives signals from the deceleration sensor, it determines whe ...

Portable Player cannot be Registered
CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function, or the function may be limited using the radio and display receiver assembly, even if the portable audio player itself can play files (See pag ...