BENDIX M-21-M-22 ANTILOCK MOD ASSY Especificaciones Pagina 64
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7 SPN SID FMI Fault Codes
60
Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)
7 SPN SID FMI Fault Codes
SPN SID FMI Fault Code List
Figure 7.1
SPN SID FMI
Blink
Code
Description
Warning
Light
System
Reaction
Cause Action
Left Front Wheel Speed Sensor
789 1 1 3 + 2 Air Gap ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
Sensor air gap is too
large; sensor output
voltage is too low
but is high enough to
be read by ECU.
• Adjust wheel sensor to touch tone ring.
• Check condition of ABS sensor head.
• Check for loose wheel bearings or excessive hub runout.
• Check mounting of ABS tone ring and condition of teeth.
• Check condition and retention of ABS sensor spring clip.
• Check ABS sensor cable routing and clipping.
• Turn the wheel at half a revolution per second and verify 0.2 AC volt sensor output
voltage.
789 1 2 5 + 2 Incorrect Tire ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
System has
detected a
significant difference
in the proportion of
tire diameter to
number of tone ring
teeth between wheel
ends. 10% (+/-2%)
• Check for tire size mismatch.
• Check for correct number of tone ring teeth.
• Verify that ECU is programmed for the correct vehicle.
• Contact Meritor WABCO or OEM.
789 1 3 4 + 2
Shorted to
UBATT
ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
Continuity between
the sensor
connection and
battery voltage
(short circuit) is
detected.
• Verify 900-2000 ohms resistance through sensor circuit.
• Verify no DC voltage through sensor circuit Key ON.
• Check for corroded or damaged wiring between the ECU and the ABS wheel speed
sensor.
789 1 4 4 + 2
Shorted to
Ground
ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
Continuity between
the sensor
connection and
ground (short circuit)
is detected.
• Verify 900-2000 ohms resistance through sensor circuit.
• Check for continuity between the ABS sensor connection and ground.
• Check for corroded or damaged wiring between the ECU and the ABS wheel speed
sensor.
• Verify wheel speed sensor wires are not switched left/right.
789 1 5 4 + 2 Open Circuit ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
An open circuit has
been detected, i.e.
ECU detects a
disconnected wheel
speed sensor.
• Check sensor, sensor cable and connectors to verify no loose or damaged connection.
• Verify 900-2000 ohms resistance through sensor circuit.
• Verify wheel speed sensor wires are not switched left/right.
789 1 6 4 + 2 Short Circuit ABS WL
ABS Wheel
Disabled
ESC/RSC/ATC/
HSA Disabled
Continuity
interruption between
the sensor
connections (short
circuit) has been
detected.
• Verify 900-2000 ohms resistance through sensor circuit.
• Check for corroded or damaged wiring between the ECU and the ABS wheel speed
sensor.
- For E Version ECUs 1
- 12-Volt and 24-Volt Systems 1
- Contents 3
- 1 Introduction 5
- System Components 5
- ATC Components 10
- ATC Switch 10
- XX Orientation 11
- ZZ Orientation 12
- YY Orientation 12
- ESC Components 13
- Figure 2.8 14
- Hill Start Aid (HSA) 15
- Maintenance Information 16
- ABS Indicator Lamp 16
- Diagnostics 17
- TOOLBOX™ Software Diagnostics 17
- 4010611a 18
- 4010612a 18
- 4010613a 18
- 4010614a 18
- Definitions 19
- Clear Mode 20
- Blink Code Illustrations 22
- Blink Code Conditions 23
- Blink Code Identification 24
- Wheel Speed Sensor Testing 25
- Modulator Valve Testing 26
- BAYONET-STYLE CONNECTOR 27
- OPEN-STYLE CONNECTOR 27
- CAB MOUNT ECU’S: 28
- Figure 3.18 29
- 4010617a 30
- 4010619a 30
- 4010620a 30
- Electrical Checks 31
- Software 32
- Figure 3.26 or Figure 3.27 33
- PRESSURE SENSOR CONNECTOR 34
- ESC CAN Network Testing 35
- ESC Module Testing 35
- ESC Module Mounting 36
- ECU Circuit Testing 38
- Figure 3.44 40
- Figure 3.45 40
- 4 Component Replacement 41
- Hazard Alert Messages 41
- 472 500 30. 0 44
- MADE IN GERMANY 44
- 001 20/98 44
- DO NOT MOVE OR RELOCATE 49
- 6S/6M ABS 51
- 4S/4M ABS/ATC 51
- 4S/4M RSC/ATC 52
- 4S/4M ESC/ATC 52
- ECU Connector Pin Assignments 53
- ECU (Frame-mounted) 54
- 4004027d 55
- 4004030i 56
- Figure 6.8 57
- Figure 6.9 58
- Figure 6.10 59
- Figure 6.11 60
- Figure 6.12 61
- Figure 6.13 62
- Figure 6.14 63
- 7 SPN SID FMI Fault Codes 64
- SPN SID FMI Fault Code List 64
- 4010669a 88
- 4010670a 88
- 4010671a 88
- 8 Appendix I 89
- 9 Appendix II 91
- Troy, MI 48084-7121 98
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