BENDIX EC-60 ABS User Manual

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
Conguration
Error
A mis-match exists between the ECU conguration and the modulator installation
and wiring. Verify PMV wiring and installation. Verify ECU conguration. 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.

BENDIX EC-60 ABS Specifications

General

Type	ABS Controller
Function	Anti-lock Braking System control
Model	EC-60
Manufacturer	Bendix
Operating Temperature	-40°C to +85°C
Compatibility	Heavy-duty Vehicles