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:
Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK / CLEAR (when Using Techstream)
(a) Check for DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the following menus: Chassis / ABS/VSC/ TRAC / Trouble Codes.
(5) Read the DTCs by following the ...
Headlight Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEADLIGHT RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard:
Tester Connection
Specified Condition
3-5
10 kΩ or higher
...
Vehicle Speed Tolerance Malfunction (C1AA2)
DESCRIPTION
The forward recognition camera receives vehicle speed tolerance signals from
the combination meter assembly. If the combination meter assembly detects a vehicle
speed tolerance malfunction signal, it informs the forward recognition camera via
CAN communication, and DTC C1AA2 is st ...
