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:

Brake Switch "A" Signal Compare Failure (P057162)
DESCRIPTION When the brake pedal is depressed, the stop light switch assembly sends a signal to the ECM. When the ECM receives this signal, it cancels the dynamic radar cruise control. The fail-safe function operates to enable normal driving even if there is a malfunction in the stop light si ...

Manual Shifting Test
MANUAL SHIFTING TEST 1. PERFORM MANUAL SHIFTING TEST HINT: Using this test, it can be determined whether a problem is in an electrical circuit or if it is a mechanical problem in the transmission. If any abnormalities are found in the following test, the problem is in the tran ...

Steering Angle Sensor Internal Circuit (C1433)
DESCRIPTION Steering angle sensor (spiral cable with sensor sub-assembly) signals are sent to the skid control ECU (master cylinder solenoid) via the CAN communication system. When there is a malfunction in the CAN communication system, it is detected by the steering angle sensor (spiral cabl ...