Toyota Tacoma (2015-2018) Service Manual: Multi-terrain Select 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) / Multi-terrain Select Indicator Light does not Come ON

DESCRIPTION

When the transfer gear position is L4, the multi-terrain select indicator light illuminates and control begins.

Under any of the following conditions, the multi-terrain select system does not begin control and the multi-terrain select indicator light does not illuminate.

The vehicle is in the VSC/TRAC OFF state.
Crawl Control is operating.
There is a malfunction in the VSC system.

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)

CHECK DTC

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

3.	INSPECT SKID CONTROL ECU (PKB TERMINAL)

GO TO STEP 5

4.	REPLACE COMBINATION METER ASSEMBLY

END

REPLACE MASTER CYLINDER SOLENOID

5.	INSPECT DRIVE MONITOR SWITCH

REPLACE DRIVE MONITOR SWITCH

6.	INSPECT ROOF CONSOLE BOX ASSEMBLY

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

REPLACE ROOF CONSOLE BOX ASSEMBLY

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 ...

Multi-terrain Select Indicator Light Remains ON

DESCRIPTION Refer to Multi-terrain Select Indicator Light does not Come ON (See page ). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (master cyli ...

Other materials:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT FENDER SEAL LH (a) Remove the 5 clips and front fender seal LH. 2. REMOVE FRONT FENDER SEAL RH HINT: Use the same procedure as for the LH side. 3. REMOVE FRONT EXHAUST PIPE ASSEMBLY (a) Disengag ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the engine immobiliser system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default) ...