7 SPN, SID, FMI Fault Codes
85
WABCO Maintenance Manual MM-0112 (Revised 07-18)
Figure 7.19
Figure 7.19
SPN SID FMI
Blink
Code
Description
Warning
Light
System
Reaction
Cause Action
806 4
ABV Drive
Axle. Shorted
to ground
ABS WL
ESC/RSC/ATC/
HSA Disabled
Continuity between
suspect Active
Braking Valve circuit
and ground is
detected.
• E8 Version only.
− Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-
49.0 ohm for 24V system).
• Check for continuity between suspect Active Braking Valve circuit and ground.
• Check for corroded or damaged wiring between the ECU and ABVs.
806 18 5 7 + 2
ABV Drive
Axle. Open
Circuit
ABS WL
ESC/RSC/ATC/
HSA Disabled
ECU has detected
that the suspect
Active Braking Valve
circuit is not
detected or the
circuit has been
interrupted.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Verify if connectors are fully seated, check for corroded or damaged wiring between the
ECU and ABV.
806 18 6 7 + 2
ABV Drive
Axle. Shorted
to Ground
ABS WL
ESC/RSC/ATC/
HSA Disabled
Continuity between
suspect Active
Braking Valve circuit
and ground is
detected.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Check for continuity between suspect Active Braking Valve circuit and ground.
• Check for corroded or damaged wiring between the ECU and ABVs.
807 19 1 7 + 6
ABV Front
Axle. Shorted
to UBATT
ABS WL
ESC/RSC/ATC/
HSA Disabled
Continuity between
suspect Active
Braking Valve circuit
and voltage supply
(short circuit) is
detected.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Check for continuity between suspect ABV ground circuit and voltage supply.
• Check for corroded or damaged wiring between the ECU and ABV.
807 19 2 7 + 6
ABV Front
Axle. Open
Circuit
ABS WL
ESC/RSC/ATC/
HSA Disabled
ECU has detected
that the suspect
Active Braking Valve
circuit is not
detected or the
circuit has been
interrupted.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Verify if connectors are fully seated, check for corroded or damaged wiring between the
ECU and ABV.
• May also indicate incorrect ECU for type of transmission.
807 19 3 7 + 6
ABV Trailer
Control.
Shorted to
UBATT
ABS WL
ESC/RSC/ATC
Disabled
Continuity between
suspect Active
Braking Valve circuit
and voltage supply
(short circuit) is
detected.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Check for continuity between suspect ABV ground circuit and voltage supply.
• Check for corroded or damaged wiring between the ECU and ABV.
807 19 4 7 + 6
ABV Front
Axle. Shorted
to Ground
ABS WL
ESC/RSC/ATC/
HSA Disabled
Continuity between
suspect Active
Braking Valve circuit
and ground is
detected.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Check for continuity between suspect Active Braking Valve circuit and ground.
• Check for corroded or damaged wiring between the ECU and ABV.
807 19 5 7 + 6
ABV Trailer
Control. Open
Circuit
ABS WL
ESC/RSC
Disabled
ECU has detected
that the suspect
Active Braking Valve
circuit is not
detected or the
circuit has been
interrupted.
• Verify 7.0-14.0 ohm between ABV supply and ABV common for 12V system (26.3-49.0
ohm for 24V system).
• Verify if connectors are fully seated, check for corroded or damaged wiring between the
ECU and ABV.
• If SLC ECU may indicate issue with diff lock solenoid or transfer case lock solenoid.
4010662a
To Next Page
Loading...
