Problem Symptoms Table
ComponentsFront Occupant Classification Sensor RH Circuit Malfunction (B1781)
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the front occupant classification
sensor RH c ...
Terminals Of Ecu
TERMINALS OF ECU
1. TCM
HINT:
Each TCM terminal standard voltage is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal
No. (Symbol)" for the terminals to be inspected. The st ...
Operation Check
OPERATION CHECK
1. AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK
(a) Turn the ignition switch to ON.
(b) Turn the light control switch to the AUTO position.
(c) Cover the automatic light control sensor.
(d) Check that the taillights and low beam headligh ...