Toyota Tacoma (2015-2018) Service Manual: On-vehicle Inspection

Toyota Tacoma (2015-2018) Service Manual / Supplemental Restraint Systems / Occupant Classification Ecu / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check (See page 2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision) ).

2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision)

(a) Perform a diagnostic system check (See page (b) Even if the airbag was not deployed, perform a visual check for damage to ).

(b) Even if the airbag was not deployed, perform a visual check for damage to the occupant detection ECU. If there are any defects as mentioned below, replace the occupant detection ECU with a new one:

Cracks, dents or chips in the case.
Cracks or other damage to the connector.

CAUTION:

For removal and installation procedures of the occupant detection ECU, see page , and . be sure to follow the correct procedure.

Components

COMPONENTS ILLUSTRATION ...

Removal

REMOVAL PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before servicing (See page ). NOTICE: After turning the ignition switch off, waiting time may be required before ...

Other materials:

Check Bus 2 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when no resistance exists between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and ...

Side Airbag Sensor LH Circuit Malfunction (B1625/22)
DESCRIPTION The side airbag sensor assembly LH consists of parts such as the safing sensor, the diagnostic circuit and the lateral deceleration sensor. When the airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activate ...

Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio and display receiver assembly via this circuit. If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the radio and d ...