Toyota Tacoma (2015-2018) Service Manual: 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
.gif)
).
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 |
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
.gif)
|
2. |
CHECK DTC |
| B | |
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS |
|
|
3. |
INSPECT SKID CONTROL ECU (PKB TERMINAL) |
| NG | |
GO TO STEP 5 |
|
|
4. |
REPLACE COMBINATION METER ASSEMBLY |
| OK | |
END |
| NG | |
REPLACE MASTER CYLINDER SOLENOID |
|
5. |
INSPECT DRIVE MONITOR SWITCH |
| NG | |
REPLACE DRIVE MONITOR SWITCH |
|
|
6. |
INSPECT ROOF CONSOLE BOX ASSEMBLY |
| 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 |
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:
Terminals Of Ecu
TERMINALS OF ECU
1. OCCUPANT DETECTION ECU
Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
+B (O5-1) -
GND (O5-3)
R - W-B
Battery
Ignition switch on
...
Driver Side Power Window Auto Up / Down Function does not Operate with Power
Window Master Switch
DESCRIPTION
If the manual up/down function can be performed but the auto up/down function
cannot, then the fail-safe mode may be functioning.
If the power window initialization (See page
) has not been performed, the auto up/down function will not operate.
WIRING DIAGRAM
CAUTION / NOTICE ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE OPERATION AND DEACTIVATION CONDITION
TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
DTC No.
Fail-safe Operation
Fail-safe Deactivation Condition
U0100
Switching between H4 and L4 prohibited (shift position N*1 or neut ...
