Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag circuitB2556 push-button ignition switch
Description
The switch that changes the power supply position. BCM
maintains the power supply position status. BCM
changes the power supply position with the operation of the push-button ignition
switch.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION ...
Lifting sensor (front)
Description
The lifting sensor (front) is installed to the seat frame.
The pulse signal is input to the driver seat control unit when the
lifting (front) is operated.
The driver seat control unit counts the pulse and calculates the lifting
(front) amount of the seat.
Component Funct ...
B2560 starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits
the starter relay operation when in N or P position. It is
installed in parallel with the starter relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2560 is displayed with DTC
U1000, first perform the trouble diagno ...