Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

DIAGNOSIS FUNCTION

(a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly.

*1

Cruise Control Indicator

(Constant Speed Control Mode)

*2

Cruise Control Indicator

(Vehicle-to-vehicle Distance Control Mode)

*3

Master Warning Light

NOTICE:

  • If DTCs related to the communication system are stored, "Cruise Control Malfunction Visit Your Dealer", which is displayed in the combination meter assembly, disappears when the system returns to normal.
  • If DTCs not related to the communication system are stored, "Cruise Control Malfunction Visit Your Dealer", which is displayed in the combination meter assembly, disappears when the ignition switch off then back ON after the system returns to normal.

DESCRIPTION

(a) The ECM and millimeter wave radar sensor assembly control the dynamic radar cruise control system of the vehicle. The data and DTCs relating to the dynamic radar cruise control system can be read from the DLC3 of the vehicle. Use the Techstream to check and solve the problem.

CHECK DLC3

(a) Check the DLC3.

Click here CHECK INDICATOR

CHECK INDICATOR

(a) Turn the ignition switch to ON.

(b) Check that the cruise control indicator illuminates when the dynamic radar cruise control system is turned on using the cruise control main switch (ON-OFF button), and that the indicator turns off when the dynamic radar cruise control system is turned off using the cruise control main switch (ON-OFF button).

*1

Cruise Control Indicator

(Constant Speed Control Mode)

*2

Cruise Control Indicator

(Vehicle-to-vehicle Distance Control Mode)

Terminals Of Ecu
TERMINALS OF ECU CHECK ECM HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each p ...

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: Powertrain / Radar Cruise 1*1 / ...

Other materials:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE TELEPHONE MICROPHONE ASSEMBLY Click here 2. REMOVE MICROPHONE CASE HINT: Use the same procedure for Double Cab. Click here 3. REMOVE NO. 1 ROOF WIRE (w/ Vanity Light) (a) w/ EC Mirror: (1) Remove the No. 1 roof wire. ...

Cautions & Notices
CAUTION This is a warning against anything which may cause injury to people if the warning is ignored. You are informed about what you must or must not do in order to reduce the risk of injury to yourself and others. NOTICE This is a warning against anything which may cause damage to the vehi ...

Installation
INSTALLATION PROCEDURE 1. INSTALL CLUTCH PEDAL NO.1 CUSHION (a) Install the clutch pedal No. 1 cushion to the clutch pedal sub-assembly. 2. INSTALL CLUTCH PEDAL SHAFT COLLAR (a) Apply MP grease to the clutch pedal shaft collar. Text in Illustration MP grease (b) ...

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