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

Lost Communication With Image Processing Module "A" (U023A)

DESCRIPTION The millimeter wave radar sensor assembly communicates with the forward recognition camera via CAN communication. If there is a communication error with the forward recognition camera ...

Heater Circuit (C1AAE)

DESCRIPTION If the forward recognition camera detects a malfunction in the camera heater (forward recognition hood) circuit, it will output a malfunction signal to the millimeter wave radar senso ...

Other materials:

Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4) (P2808)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

Installation
INSTALLATION PROCEDURE 1. INSTALL SPIRAL CABLE SUB-ASSEMBLY WITH SENSOR (a) Check that the ignition switch is OFF. (b) Check that the battery negative (-) terminal is disconnected. CAUTION: Wait at least 90 seconds after disconnecting t ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default) ...