Toyota 4Runner: Downhill Assist Control Switch

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Downhill Assist Control Switch

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE DRIVE MONITOR SWITCH

2. REMOVE MAP LIGHT ASSEMBLY

3. REMOVE DOWNHILL ASSIST CONTROL SWITCH

(a) Disconnect the 2 connectors.

(b) Using a screwdriver, detach the 2 claws and remove the downhill assist control switch from the map light assembly.

HINT:

Tape the screwdriver tip before use.

Inspection

INSPECTION

PROCEDURE

1. CHECK DOWNHILL ASSIST CONTROL SWITCH

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
1 (E ) - 4 (+B2)	Pressed	Below 1 Ω
1 (E ) - 4 (+B2)	Not pressed	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Downhill Assist Control Switch)

If the result is not as specified, replace the downhill assist control switch.

Installation

INSTALLATION

PROCEDURE

1. INSTALL DOWNHILL ASSIST CONTROL SWITCH

(a) Attach the 2 claws to install the downhill assist control switch to the map lamp assembly.

(b) Connect the 2 connectors.

2. INSTALL MAP LIGHT ASSEMBLY

3. INSTALL DRIVE MONITOR SWITCH

4. PERFORM DOWNHILL ASSIST CONTROL CALIBRATION

(a) Perform downhill assist control switch calibration (See page ).

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