Bendix Commercial Vehicle Systems EC-60 ESP CONTROLLERS ADV - Manual (Page 30)

30
Troubleshooting Diagnostic Trouble Codes:
Pressure Modulator Valves
7 Left Steer Axle
8 Right Steer Axle
9 Left Drive Axle
10 Right Drive Axle
16 Left Additional Axle
17 Right Additional Axle
20 Trailer PMV
1st . Blink
Code
Location
2nd .
Blink
Code
Diagnostic
Trouble Code
Description
Repair Information
1 Release Solenoid
Shorted to
Ground
Verify no continuity between PMV leads and ground. Verify 4.9 to 5.5 ohms from REL
to CMN & HLD to CMN, and 9.8 to 11 ohms from REL to HLD. Check for corroded/
damaged wiring or connectors between ECU and PMV.
2 Release Solenoid
Shorted to
Voltage
Verify no continuity between PMV leads and voltage. Verify 4.9 to 5.5 ohms from
REL to CMN & HLD to CMN, and 9.8 to 11 ohms from REL to HLD. Check for
corroded/damaged wiring or connectors between ECU and PMV.
3 Release Solenoid
Open Circuit
Verify 4.9 to 5.5 ohms from REL to CMN & HLD to CMN, and 9.8 to 11 ohms from REL
to HLD. Check for corroded/damaged wiring or connectors between ECU and PMV.
4 Hold Solenoid
Shorted to
Ground
Verify no continuity between PMV leads and ground. Verify 4.9 to 5.5 ohms from REL
to CMN & HLD to CMN, and 9.8 to 11 ohms from REL to HLD. Check for corroded/
damaged wiring or connectors between ECU and PMV.
5 Hold Solenoid
Shorted to
Voltage
Verify no continuity between PMV leads and voltage. Verify 4.9 to 5.5 ohms from
REL to CMN & HLD CMN, and 9.8 to 11 ohms from REL to HLD. Check for corroded/
damaged wiring or connectors between ECU and PMV.
6 Hold Solenoid
Shorted to Open
Circuit
Verify 4.9 to 5.5 ohms from REL to CMN & HLD to CMN, and 9.8 to 11 ohms from
REL to HLD. Check for corroded/damaged wiring or connectors between the ECU
and PMV.
7 CMN Open
Circuit
Verify 4.9 to 5.5 ohms from REL to CMN & HLD to CMN, and 9.8 to 11 ohms from
REL to HLD. Check for corroded/damaged wiring or connectors between the ECU
and PMV. Potentially a miswired or internal mechanical problem.
8 Configuration
Error
A mis-match exists between the ECU configuration and the modulator installation
and wiring. Verify PMV wiring and installation. Verify ECU configuration. Special
Note regarding Trailer PMV: Pneumatic issues can result in this DTC being set.
Verify all lines are free from debris or other obstructions, kinks, etc.