Toyota Tacoma (2015-2018) Service Manual: Crawl Indicator Light does not Come ON
DESCRIPTION
Refer to Crawl Indicator Light Remains ON (See page
.gif)
).
WIRING DIAGRAM
Refer to Crawl Indicator Light Remains ON (See page
).
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. |
READ VALUE USING TECHSTREAM (CRAWL CONTROL SWITCH) |
| NG | |
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.
(c) Turn the ignition switch to ON.
(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 |
| A | |
GO TO METER / GAUGE SYSTEM |
| B | |
REPLACE MASTER CYLINDER SOLENOID |
|
4. |
INSPECT DRIVE MONITOR SWITCH |
| NG | |
REPLACE DRIVE MONITOR SWITCH |
|
|
5. |
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 |
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:
ABS Warning Light does not Come ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter assembly via CAN communication.
WIRING DIAGRAM
Refer to ABS Warning Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), ...
Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION
DTC B1785 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the occupant classification sensor front LH when an accident
occurs.
DTC B1785 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction
in the ECU itself or in system circuits.
The DTCs can be read through the DLC3 of the vehicle. When the system seems to
be malfunctioning, use the Techstream to check for malfunctions ...
