Toyota Tacoma (2015-2018) Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/ Intermittent function)
(a) Remove the steering column cover.
(b) Check the front wiper intermittent operation.
Text in Illustration
|
*a |
Component with harness connected (Windshield Wiper Switch Assembly) |
(1) Turn the ignition switch on (IG).
(2) Turn the wiper switch to the INT position.
(3) Operate the intermittent wiper and check the voltage between terminals C12-3 (+1) and C13-4 (EW).
HINT:
Measure the voltage on the wire harness side with the connector connected.
OK:
Voltage changes as shown in the illustration.
If the result is not as specified, replace the windshield wiper switch assembly.
(c) Check the front washer operation.
Text in Illustration
|
*a |
Component with harness connected (Windshield Wiper Switch Assembly) |
(1) Turn the ignition switch on (IG).
(2) Turn the washer switch on and off, and check the voltage between terminals C13-7 (WF) and C13-4 (EW).
HINT:
Measure the voltage on the wire harness side with the connector connected.
OK:
Voltage changes as shown in the illustration.
(3) Install the steering column cover.
Components
COMPONENTS
ILLUSTRATION
...
Removal
REMOVAL
PROCEDURE
1. REMOVE LOWER STEERING COLUMN COVER
2. REMOVE UPPER STEERING COLUMN COVER
3. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
(a) Disconnect the 2 connectors.
Tex ...
Other materials:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
AUTO LSD Indicator Light does not Come ON
DESCRIPTION
The AUTO LSD does not operate even if the VSC OFF switch is pressed under the
following conditions:
The brake system is faulty.
The temperature inside the hydraulic brake booster increases and the
AUTO LSD operation is suspended.
The rear differential is locked.
...
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 ...
