Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag circuitPrecaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELTPRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT
PRE-TENSIONER”, used alongwith a front seat belt, helps to reduce the risk
or severity of injury to the driver and front passeng ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
P0744 torque converter
Description
This malfunction is detected when the torque converter clutch does not
lock-up as instructed by the TCM. This
is not only caused by electrical malfunctions (circuits open or shorted), but
also by mechanical malfunctions
such as control valve sticking, improper solenoid valve ope ...