Toyota Tacoma (2015-2018) Service Manual: Vehicle Control History

Starter Relay Circuit Short to Battery (P061512)

DESCRIPTION While the engine is being cranked, positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the starter control (STA) signal while the vehicle is being drive ...

Brake Switch "B" Circuit Short to Battery (P070312)

DESCRIPTION The purpose of this circuit is to prevent the engine from stalling while driving in lock-up when the brakes are suddenly applied. When the brake pedal is depressed, this switch sends a ...

Other materials:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT REAR AIRBAG SENSOR (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check (See page ). 2. INSPECT REAR AIRBAG SENSOR (for Vehicle Involved in Collision and Airbag has not Deployed) CAUTION: For rear airbag sensor removal and ...

Engine Switch Illumination Circuit
DESCRIPTION The illuminated entry system controls the engine switch illumination. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (POWER/ENGINE SW LIGHT) (a) Connect the Techstream to the DLC3. (b) Turn the engine switch to ON. (c) Turn the Techstream ...

Low Power Supply Voltage Malfunction (C1241)
DESCRIPTION If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control ECU outputs the DTC and prohibits operation under the fail-safe function. If the voltage supplied to terminal IG1 is not within the DTC detection threshold due to mal ...