Toyota Tacoma (2015-2018) Service Manual: 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 .gif)
).
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:
Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial
Data) Invalid (B279986)
DESCRIPTION
When there are communication malfunctions between the ECM and certification ECU
(smart key ECU assembly), or when the communication ID codes do not match, the ECM
stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output C ...
System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system can be used to lock and unlock all doors
from a distance. The system is controlled by an electrical key transmitter sub-assembly
which sends radio waves to the door control receiver. The certification ...
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
