Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Multi-terrain Select Indicator Light Remains ON

DESCRIPTION

Refer to Multi-terrain Select Indicator Light does not Come ON (See page WIRING DIAGRAM ).

WIRING DIAGRAM

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 ).
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

NG

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

OK

2.

CHECK DTC

(a) Check for DTCs (See page ). Result ).

Result

Result

Proceed to

DTC is not output

A

DTC is output

B

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

A

3.

INSPECT SKID CONTROL ECU (PKB TERMINAL)

(a) Disconnect the S1 skid control ECU (master cylinder solenoid) connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

S1-28 (PKB) - Body ground

Multi-terrain select switch not pushed in

10 kΩ or higher

Multi-terrain select switch pushed in

Below 1 Ω

Text in Illustration

*a

Front view of wire harness connector

(to Skid Control ECU (Master Cylinder Solenoid))

(c) Reconnect the S1 skid control ECU (master cylinder solenoid) connector.

NG

GO TO STEP 5

OK

4.

REPLACE COMBINATION METER ASSEMBLY

(a) Replace the combination meter assembly a new one.

OK:

The multi-terrain select indicator light turns on or off in accordance with the switch operation.

OK

REPLACE MASTER CYLINDER SOLENOID

NG

END

5.

INSPECT DRIVE MONITOR SWITCH

(a) Remove the multi-terrain select switch (drive monitor switch) (See page (b) Inspect the multi-terrain select (drive monitor switch) (See page ).

(b) Inspect the multi-terrain select (drive monitor switch) (See page ).

NG

REPLACE DRIVE MONITOR SWITCH

OK

6.

INSPECT ROOF CONSOLE BOX ASSEMBLY

(a) Remove the roof console box assembly.

  • for Double Cab: (See page ) for Access Cab: (See page )
  • for Access Cab: (See page ) )
Text in Illustration

*a

Component without harness connected

(Roof Console Box Assembly)

-

-

(b) Measure the resistance according the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

R44-2 (SWI1) - 4

Always

Below 1 Ω

R44-3 (DN) - 7

Always

Below 1 Ω

R44-4 (ECU) - 6

Always

Below 1 Ω

R44-5 (UP) - 3

Always

Below 1 Ω

R44-12 (GND) - 5

Always

Below 1 Ω

Result

Result

Proceed to

OK

A

NG (for Double Cab)

B

NG (for Access Cab)

C

A

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

B

REPLACE ROOF CONSOLE BOX ASSEMBLY

C

REPLACE ROOF CONSOLE BOX ASSEMBLY

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