BENDIX M-21-M-22 ANTILOCK MOD ASSY Especificaciones descargar pdf (Pagina 83)

7 SPN SID FMI Fault Codes

Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)

Figure 7.20

SPN SID FMI

Blink

Code

Description

Warning

Light

System

Reaction

Cause Action

811 23 5 7 + 4

Warning Light

Relay

(E-Frame)

ABS WL if

grounded.

Off if

burned out

N/A

Output detects no

load to battery or is

permanently

grounded.

• Verify ABS WL is working correctly during self test.

• Verify wire and/or bulb is not damaged.

• Blink code activation via switch longer than 16 sec could cause. Verify blink code

switch is not permanently grounded.

1045 55 3 7 + 7

Pressure

Sensor

shorted to

UBATT

ABS WL

ESC/RSC/ATC/

HSA Disabled

Continuity between

pressure signal

circuit and voltage

supply (short circuit)

is detected.

• Check for continuity between pressure sensor signal circuit and voltage supply.

• Check connectors and pressure sensor for corrosion.

• It could also be possible that the ECU has detected a permanent braking signal from

the pressure sensor between zero to 30 mph.

1045 55 5 7 + 7

Pressure

Sensor

shorted to

ground

ABS WL

ESC/RSC/ATC/

HSA Disabled

Continuity between

pressure signal

circuit and ground

(short circuit) or an

open circuit is

detected.

• Verify if connectors are fully seated, check for corroded or damaged wiring between the

ECU and component.

• Check for continuity between pressure sensor signal circuit and ground.

• The pressure sensor supply line could be also clogged or frozen up.

• Call Meritor WABCO OnTrac at 866-OnTrac1 (668-7221) with part number to ensure

ECU is correct for the application.

1045 55 7 7 + 7

CAN BLS

(Brake light

Switch) signal

faulty

ABS WL RSC Disabled

Fault only for RSC

systems with ECU

E440. ECU has

detected the brake

light switch signal is

faulty

• Refer to OEM Brake light switch troubleshooting.

• Check the BLS switch (installation, wire, connector)

• Only relevant for RSC systems without Pressure Sensor installed, with BLS over CAN-

Bus and ECU E440 only

1069 79 1 7 + 8

Tire Pressure

Monitor (TPM)

ATC WL if

Parameter

is set

N/A

Tire pressure loss

detected by change

of wheel

circumference

• Check and correct tire pressure.

• Only available if ECU has been programmed for TPM use.

2622 94 2 7 + 1

HSA active

Fault

HSA WL HSA Disabled

It was detected that

HSA was

continuously active

for more than 90s or

ECU detected no

HSA switch

information in the

EBC1 Message if

switch is

multiplexed.

• Verify if ECU is correct for vehicle application

• Contact vehicle OEM to verify broadcast of HSA switch is correct

ESC

520210 88 1 N/A

ESC

Initialization

Not Complete

ATC WL

Blinking

ESC Disabled

ECU has recognized

that the ESC module

is currently in

initialization mode

and has not been

completed.

• Follow the ESC Initialization (End of Line) calibration. Refer to Section 8.

520210 88 2 8 + 6

ESC System

Configuration

ATC WL ESC Disabled

The ESC module is

not

compatible with the

ABS ECU

• Contact Meritor WABCO OnTrac at 866-OnTrac1 (668-7221) or vehicle OEM to check

ESC module/ABS ECU combination.

520210 88 5 7 + 1

ESC CAN

Datalink Fault

ATC WL ESC Disabled

Loss of CAN

communication

between the ESC

module and the ABS

ECU

• Check CAN wiring between ABS-ECU and ESC-module for interruptions and short

circuits.

• Check CAN wiring between ABS-ECU and SAS for interruptions and short circuits.

• Check for corroded or damaged wiring between the ECU, SAS and ESC Module.

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