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:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL MASTER CYLINDER RESERVOIR GROMMET
(a) Apply lithium soap base glycol grease to 2 new grommets.
(b) Install the 2 grommets onto the brake master cylinder reservoir.
2. INSTALL BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Install the brake master cylinder reservoi ...
Vehicle Speed Sensor Circuit (C1AA3)
DESCRIPTION
The forward recognition camera receives vehicle speed signals from the skid control
ECU. If the skid control ECU receives a vehicle speed sensor malfunction signal,
it informs the forward recognition camera via CAN communication, and DTC C1AA3 is
stored.
DTC No.
...
Fail-safe Chart
FAIL-SAFE CHART
If there is a problem with sensor signals or actuator systems, the skid
control ECU prohibits power supply to the brake actuator assembly and informs
the ECM of a VSC system malfunction.
The brake actuator assembly turns off the solenoids and the ECM stops
its ...
