Problem Symptoms Table
ComponentsAutomatic Disconnecting Differential Motor Limit Switch Circuit (P17A4)
DESCRIPTION
When the A.D.D. actuator switches between 2WD and 4WD, the DL1 and DL2 terminals
of the limit switch and ADD terminal of the A.D.D. position switch change to one
of the following ON/OFF combinations listed in the table below.
Terminal
In 2WD
Switchi ...
Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION
DTC B1788 is set when the occupant detection ECU receives a collision detection
signal, which is sent by the occupant classification sensor rear RH when an accident
occurs.
DTC B1788 is also set when the front seat with adjuster frame assembly RH is
subjected to a strong impact, ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
Rear differential lock status signal
H ...