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:

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4WD ECU Malfunction (P163B)
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