Toyota 4Runner manuals

Toyota 4Runner: Downhill Assist Control Indicator Light Remains ON

DESCRIPTION

When the downhill assist control switch is turned on, the downhill assist control function is available and the downhill assist control indicator light illuminates.

WIRING DIAGRAM

Refer to Downhill Assist Control Indicator Light does not Come ON (See page ).


CAUTION / NOTICE / HINT

NOTICE:

When replacing the master cylinder solenoid, perform calibration (See page ).


PROCEDURE

1.

CHECK CAN COMMUNICATION LINE

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus (See page ).


OK:

CAN Bus Check indicates no malfunctions in CAN communication.


NG

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

OK

2.

INSPECT DOWNHILL ASSIST CONTROL SWITCH



NG

REPLACE DOWNHILL ASSIST CONTROL SWITCH

OK

3.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU HDCS CIRCUIT)



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

READ VALUE USING TECHSTREAM (DOWNHILL ASSIST CONTROL LIGHT)



A

REPLACE MASTER CYLINDER SOLENOID


B

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

Slip Indicator Light Remains ON
DESCRIPTION The slip indicator light blinks during VSC, TRAC, crawl control, multi-terrain select control or trailer sway control operation. When the system fails, the slip indicator light comes ...

Downhill Assist Control Indicator Light does not Come ON
DESCRIPTION Even if the downhill assist control switch is pressed, the downhill assist control indicator light blinks and downhill assist control does not activate under the following conditions: ...

Other materials about Toyota 4Runner:

Bleeding
BLEEDING CAUTION / NOTICE / HINT NOTICE: As brake fluid may overflow, do not leave the brake fluid can in the reservoir filler opening when adding brake fluid. Bleed air while adding fluid to maintain the fluid level between the MIN and ...

Horn Circuit
DESCRIPTION When the theft deterrent system is in the alarm sounding state, the main body ECU outputs a signal repeatedly at 0.4 second intervals, causing the horn(s) to sound. WIRING DIAGRAM PROCEDURE 1. CHECK HORN OPERATION ...

© 2016-2023 | www.to4runner.net

0.1469