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:

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly or cylinder head LH (See page ). PROCEDURE 1. INSTALL SPARK PLUG TUBE NOTICE: When using a new cylinder head, the spark plug tubes must be replaced. ...

Operation Check
OPERATION CHECK 1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY) (a) Open circuit indication (1) If there is an open circuit between a No. 1 ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration. ...

Lost Communication with Vehicle Dynamics Control Module Missing Message (U012287)
DESCRIPTION The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication. DTC No. DTC Detection Condition Trouble Area MIL Note U012287 While cruise control main switch ON, co ...