Basic inspection
Power supply and ground circuitB1428 Seat belt buckle switch LH
Description
DTC B1428 SEAT BELT BUCKLE SWITCH LH
The air bag diagnosis sensor unit monitors the seat belt buckle switch LH
status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
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Abs branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
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Dtc/circuit diagnosis
Malfunction area chart
Main line
Branch line
Short circuit
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors fo ...