Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) If a malfunction is detected in the forward recognition camera, the forward recognition camera stores a DTC without directly informing the driver via indicator lights, and then notifies the systems that use the forward recognition camera. Those systems then notify the driver.
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced with a new one or
the windshield glass has been removed and installed, it is necessary to
perform Forward Recognit ...
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Front Recognition Came ...
Other materials:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Speedometer Malfunction
DESCRIPTION
The meter CPU receives vehicle speed signals from the skid control ECU via the
CAN communication system (CAN V1 Bus). The speed sensor detects the wheel speed
and sends the appropriate signals to the skid control ECU. The skid control ECU
supplies power to the vehicle speed sensor ...
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
...
