Toyota Tacoma (2015-2018) Service Manual: Transmitter Battery(w/ Smart Key System)

Toyota Tacoma (2015-2018) Service Manual / Door Lock / Transmitter Battery(w/ Smart Key System)

Replacement

REPLACEMENT

CAUTION / NOTICE / HINT

NOTICE:

Take extra care when handling these precision electronic components.

PROCEDURE

1. REMOVE TRANSMITTER BATTERY

(a) Push the release hook knob and extract the mechanical key as shown in the illustration.

Text in Illustration

*a	Release Hook Knob

(b) Insert a precision screwdriver with its tip wrapped in protective tape into the gap, and turn the screwdriver to remove the transmitter housing cover.

Text in Illustration

*a	Protective Tape

Text in Illustration

*a	Protective Tape

NOTICE:

Do not push the terminals with your finger.
Do not forcibly pry up the transmitter battery. The terminals may be damaged.
Do not touch the transmitter battery with wet hands. Water may cause rust.
Do not touch or move any components inside the electrical transmitter. It may interfere with proper operation.
When replacing the transmitter battery, before starting work, remove static electricity that has built up in the body by touching, for example, the vehicle to prevent the electrical transmitter from being damaged.

2. INSTALL TRANSMITTER BATTERY

(a) Install a new transmitter battery with the positive (+) side facing upward, as shown in the illustration.

NOTICE:

Do not bend the transmitter battery electrode during insertion.
Keep the transmitter cover interior free of dust and oil.
When replacing the transmitter battery, before starting work, remove static electricity that has built up in the body by touching, for example, the vehicle to prevent the electrical transmitter from being damaged.

(b) Install the transmitter housing cover by pressing down on it as shown in the illustration.

(d) Press one of the transmitter switches and check that the LED illuminates.

OK:

Transmitter LED illuminates when switch is pressed.

Entry Exterior Alarm and Answer-back Buzzer do not Sound

DESCRIPTION The smart key system (for Entry Function) uses the wireless door lock buzzer to perform various vehicle exterior warnings. When the conditions of each warning are met, the certificati ...

Unlock Warning Switch

Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to ...

Other materials:

Detachable pole antenna
The antenna can be removed. ■ Removing the antenna Place the included wrench around the antenna. When not in use, the wrench is stored in glove box. Loosen the antenna with the wrench and remove it. ■ Installing the antenna Tighten the antenna by one hand until it will not t ...

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Release the vacuum from booster by depressing the brake pedal several times. Then remove the brake master cylinder from brake booster. PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnect ...

Power Supply Drive Circuit (C1257)
DESCRIPTION The motor relay (semiconductor relay) is built into the hydraulic brake booster and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1257 ...