BENDIX Intellipark Service Data page 17

Refer to Table 5 for the Bendix
Parking Brake (EPB) system's fallback modes.
Missing / Corrupted Input
Ignition: Loss of Input
Battery: Voltage Out of Range
Battery: Loss of One Output
Red / Yellow Switches
Power Unit Solenoid or Wiring Harness
Towed Unit Solenoid or Wiring Harness
Vehicle Speed: Loss of Electronic Brake Control (EBC2)
or Cruise Control Vehicle Speed (CCVS)
Table 5 – Fallback Modes
Intellipark Electronic
® ®
Fallback Mode
• System fault displayed on LEDs
• Dash Electronic Control Unit (DECU) power-up via
CAN wake-up
• LED power-up check not performed
• Park brake release interlock available
• Rollaway Mitigation available
• Auto Trailer Brake Release available
• Manual switch operation available
• Ability to detect complete loss of J1939 degraded
• System fault displayed on LEDs (if voltage supports
DECU operation)
• 8 - 9 V or >18 V: Automatic protection of solenoids
via shutdown of output circuits
• Status display available on LEDs
• Park brake release interlock not available
• Rollaway Mitigation not available
• Auto Trailer Brake Release not available
• Manual switch operation not available
• < 8V: DECU shutdown
• System operates using remaining input
• All features available
• System fault displayed on LEDs
• System fault displayed on LEDs
• Power and towed unit status available on LEDs
• Park brake release interlock not available
• Rollaway Mitigation not available
• Auto Trailer Brake Release not available
• Manual switch operation not available
• Power unit fault displayed on LEDs
• Power and towed unit status available on LEDs
• Park brake release interlock available on towed unit
• Rollaway Mitigation not available
• Auto Trailer Brake Release available
• Power unit manual switch operation not available
• Towed unit manual switch operation available
• Towed unit fault displayed on LEDs
• Power and towed unit status available on LEDs
• Park Brake Release Interlock available on power
unit
• Rollaway Mitigation available
• Auto Trailer Brake Release not available
• Power unit manual switch operation available
• Towed unit manual switch operation not available
• System fault displayed on LEDs
• Power and towed unit status available on LEDs
• Park brake release interlock available
• Rollaway Mitigation available
• Auto Trailer Brake Release available
• Manual switch operation available
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