Toyota Tacoma (2015-2018) Service Manual: Crawl Indicator Light does not Come ON

Toyota Tacoma (2015-2018) Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / Crawl Indicator Light does not Come ON

DESCRIPTION

Refer to Crawl Indicator Light Remains ON (See page WIRING DIAGRAM ).

WIRING DIAGRAM

Refer to Crawl Indicator Light Remains ON (See page CAUTION / NOTICE / HINT ).

CAUTION / NOTICE / HINT

NOTICE:

When replacing the skid control ECU (master cylinder solenoid), perform calibration (See page ).
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

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

2.	READ VALUE USING TECHSTREAM (CRAWL CONTROL SWITCH)

GO TO STEP 4

3.	PERFORM ACTIVE TEST USING TECHSTREAM (CRAWL CONTROL LIGHT)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.

ABS/VSC/TRAC

Tester Display	Test Part	Control Range	Diagnostic Note
Crawl Control Light	CRAWL indicator light	Indicator light ON/OFF	Observe the combination meter.

(f) Check the Techstream display condition of the brake warning light.

Result

Result	Proceed to
Display of the Data List remains OFF	A
Display of the Data List remains ON	B

GO TO METER / GAUGE SYSTEM

REPLACE MASTER CYLINDER SOLENOID

4.	INSPECT DRIVE MONITOR SWITCH

REPLACE DRIVE MONITOR SWITCH

5.	INSPECT ROOF CONSOLE BOX ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR (MASTER CYLINDER SOLENOID - ROOF CONSOLE BOX ASSEMBLY)

REPLACE ROOF CONSOLE BOX ASSEMBLY

ABS Warning Light Remains ON

DESCRIPTION If any of the following is detected, the ABS warning light remains on. The skid control ECU (master cylinder solenoid) connectors are disconnected from the skid control ECU (m ...

Crawl Indicator Light Remains ON

DESCRIPTION When CRAWL starts after operating the CRAWL switch (drive monitor switch), the CRAWL indicator light turns on. While CRAWL is in the process of stopping, the CRAWL indicator light beg ...

Other materials:

Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
DESCRIPTION DTC C1379 is cleared when the crawl control switch sends a crawl control operation signal or when test mode ends. DTC Code DTC Detection Condition Trouble Area C1379 Stored only during test mode. Crawl ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT CONSOLE BOX (See page ) 2. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 3. REMOVE TRANSMISSION CONTROL CABLE ASSEMBLY (a) Remove the nut and clip and disconnect the transmission control cable assembly from the automatic transmission assem ...

Engine Immobiliser System Incorrect Assembly (B279C95)
DESCRIPTION This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle. DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation B279C95 An ECM ...