Toyota Tacoma (2015-2018) Service Manual: Precaution

Toyota Tacoma (2015-2018) Service Manual / Engine Immobiliser / Engine Immobiliser System(w/ Smart Key System) / Precaution

PRECAUTION

1. PRECAUTIONS WHEN USING TECHSTREAM

(a) When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second or less intervals until communication between the Techstream and vehicle begins.

(b) After all DTCs are cleared, check if the trouble occurs again 6 seconds after turning the engine switch on (IG).

2. PRECAUTION FOR REGISTRATION

(a) If replacing any of the following parts, refer to the registration procedures (See page NOTICE: ).

NOTICE:

Any keys or ECUs for which registration has been performed cannot be reused.

(1) Certification ECU (smart key ECU assembly)

(2) Steering lock ECU (steering lock actuator or upr bracket assembly)

(3) Electrical key transmitter sub-assembly

(b) After replacing the steering lock ECU (steering lock actuator or upr bracket assembly), confirm the lock/unlock operation of the steering lock.

Operation

Steering Lock	Operation Condition
Locks	With the engine switch off, open and close any door.
Unlocks	Turn the engine switch from off to on (ACC) or on (IG).

3. PRECAUTIONS FOR BATTERY

(a) Immediately after disconnecting and reconnecting the battery cable, the entry unlock function may not operate. If this occurs, the entry unlock function can be restored by performing a wireless door lock and unlock operation.

(b) When the battery is discharged, if the battery of another vehicle is used to jump start the engine, move the shift lever to P and open and close the driver door with the engine switch off before starting the engine.

(c) After the battery is removed and reinstalled, be sure to wait 10 seconds or more before the next engine start. The engine may not start immediately after the battery is reinstalled.

HINT:

After disconnecting and reconnecting the battery cable, the engine may not start on the first attempt. If this occurs, turn the engine switch off. The engine will start normally from the second time onward.
When the battery cable is disconnected and reconnected, the power source mode returns to the mode it was in before the battery cable was disconnected.

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ...

System Description

SYSTEM DESCRIPTION 1. ENGINE IMMOBILISER SYSTEM DESCRIPTION (a) The engine immobiliser system determines whether or not to enable starting of the SFI system based on a comparison of the key ID cod ...

Other materials:

Short in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL) (P2769,P2770)
DESCRIPTION Shift solenoid valve SL is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch. DTC No. DTC Detection Condition Trouble Area ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for Automatic Air Conditioning) (See page ) 2. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for Manual Air Conditioning) (See page ) 3. CHECK AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning) (See page ) 4. CHECK ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver is used to receive radio waves relating to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smart key ECU assembly) decodes the requested electrical key transmitter sub-assembly by identifying a key code based on ...