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:

Downhill Assist Control system
The downhill assist control system helps to prevent excessive speed on steep downhill descents. ■ System operation The system will operate when the vehicle is traveling under 15 mph (25 km/h) and the front-wheel drive control switch is in the L4 position. Press the DAC switch. The ind ...

Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION The navigation receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. This DTC is stored when the microphone connection detection signal is disconnected. DTC Code DTC Detection Con ...

Tire Pressure Monitor ECU Communication Stop (C2179/79)
DESCRIPTION The main body ECU (multiplex network body ECU) sends signals to the tire pressure warning ECU and receiver via a direct line. DTC No. Detection Item DTC Detection Condition Trouble Area Note C2179/79 T ...