Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

1. CHECK DLC3

(a) Check the DLC3 (See page 2. INSPECT BATTERY VOLTAGE ).

2. INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

3. SELF-DIAGNOSTIC MODE (OPERATING IGNITION KEY CYLINDER)

(a) Switch to self-diagnostic mode.

(1) Insert the key into the ignition key cylinder and remove it.

(2) Within 5 seconds after the key is removed, insert it into the ignition key cylinder and then turn the ignition switch to ON then off once. (End in off)

(3) Within 30 seconds after turning the ignition switch off, perform the following 9 times: Turn the ignition switch to ON then off. (End in off)

HINT:

Turning the ignition switch to ON after the procedure above has been completed will end the self-diagnostic mode.

NOTICE:

If the system fails to enter self-diagnostic mode, the system will return to normal mode.

(b) Check that the system has switched to self-diagnostic mode by checking the interior light output pattern.

(c) Check that the system has switched to self-diagnostic mode by checking the

(c) Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer output pattern.

(d) Check the diagnostic outputs when the door control transmitter module set

(d) Check the diagnostic outputs when the door control transmitter module set sub-assembly switch is held down. The diagnostic outputs can be checked by the interior light and wireless door lock buzzer patterns.

Terminals Of Ecu
Registration
REGISTRATION CAUTION / NOTICE / HINT HINT: Register a new recognition code when replacing the door control transmitter module set sub-assembly or the door control receiver. Add mode ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the MB main body ECU (multiplex network body ECU) connectors. (b) Measure the ...

Other materials:

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing (See page ). HINT: Use the same procedure for both the RH and LH sides. The procedure describe ...

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 ...

Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart key system related items that are ...

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