Toyota Tacoma (2015-2018) Service Manual: System Description
SYSTEM DESCRIPTION
1. KEY REMINDER WARNING SYSTEM DESCRIPTION
(a) When the driver side door is opened with the ignition key in the ACC or LOCK position, this system causes the key reminder warning buzzer to sound in order to warn the driver that the ignition key has not been removed.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the key reminder warning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING WITH THE TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
th ...
Other materials:
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 ...
Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION
When the communication line (IMI - EFIO) between the ECM and certification ECU
(smart key ECU assembly) is stuck high, the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
...
Open in Bus 3 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Detection Item
Trouble Area
Resistance between term ...
