Isuzu Rodeo UE. Manual - part 652
9J1–45
RESTRAINT CONTROL SYSTEM
DTC 71 Internal SDM Fault
D09RW002
Circuit Description:
DTC 71 is an indication of a potential internal SDM
malfunction and will set if any of the following conditions
are detected:
1) Deployment or microprocessor energy reserve failure.
2) EEPROM failure.
3) ROM failure.
4) RAM failure.
5) Calibration check sum failure.
6) Deployment switch faults.
7) Accelerometer fault.
8) Arming sensor fault.
9) Diagnostic current faults.
10) DTC 19
11) DTC 25
12) DTC 51
13) DTC 53
DTC Will Set When:
Any of the above indicated malfunctions are detected by
the SDM. The malfunctions described above are tested
mainly during “Continuous Monitoring” and some ones
run each ignition cycle.
Action Taken:
SDM turns “ON” the “AIR BAG” warning lamp and sets a
diagnostic trouble code.
DTC Will Clear When:
A scan tool “Clear Codes” commanded is received by the
SDM. Some of the indicated malfunctions will only allow
the “AIR BAG” warning lamp to go out.
But when DTC 19, 25, 51, 53 are also set, SDM is
Replaced.