Failure Conditions

Code 81 sets under following conditions and, once set, fault remains set for duration of ignition cycle:

• DRIVER and PASSENGER 36VLR outputs are less than IGNITION 1 voltage (-4.5 volts).
• PASS SOURCE SENSE input is equal to IGNITION 1 voltage (2 volts, -3.34 volts).
• Neither DRIVER 36VLR or PASSENGER 36VLR output is yet active.
• DRIVER SOURCE SENSE input is less than IGNITION 1 voltage(-3.34 volts).