BENDIX EC-30 ABS-ATC CONTROLLER Resolução de problemas - Página 2

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BENDIX EC-30 ABS-ATC CONTROLLER Resolução de problemas
Wheel Speed Sensors (Continued)
2
9
LF Sensor High Frequency Noise
3
9
RF Sensor High Frequency Noise
4
9
LR Sensor High Frequency Noise
5
9
RR Sensor High Frequency Noise
6
9
LM Sensor High Frequency Noise
7
9
RM Sensor High Frequency Noise
2
10
LF Sensor Wobble Run
3
10
RF Sensor Wobble Run
4
10
LR Sensor Wobble Run
5
10
RR Sensor Wobble Run
6
10
LM Sensor Wobble Run
7
10
RM Sensor Wobble Run
4
11
LR Sensor Gross Mismatch
5
11
RR Sensor Gross Mismatch
6
11
LM Sensor Gross Mismatch
7
11
RM Sensor Gross Mismatch
2
12
LF Sensor Abnormal Speed
3
12
RF Sensor Abnormal Speed
4
12
LR Sensor Abnormal Speed
5
12
RR Sensor Abnormal Speed
6
12
LM Sensor Abnormal Speed
7
12
RM Sensor Abnormal Speed
Contacts above should have no continuity to ground, except contacts A1, A2, A3
of 30-pin connector. Contacts B1, K2, and K3 supply power to the EC-30 controller connector
BW2175 © 2010 Bendix Commercial Vehicle Systems LLC • All Rights Reserved • Printed in U.S.A. 9/10
Products shown on this document may be covered by one or more of the following
Patents: 6254048, 6324468, 6209971, 4837552, 5341298, 5613744, 6237401.

ABS Modulators

8
1
LF Modulator Lock Time Out
8
7
RF Modulator Lock Time Out
9
1
LR Modulator Lock Time Out
9
7
RR Modulator Lock Time Out
8
2
LF Modulator Open / Shorted to GND
8
8
RF Modulator Open / Shorted to GND
9
2
LR Modulator Open / Shorted to GND
9
8
RR Modulator Open / Shorted to GND
8
3
LF Modulator Shorted to Ground
8
9
RF Modulator Shorted to Ground
9
3
LR Modulator Shorted to Ground
9
9
RR Modulator Shorted to Ground
8
4
LF Modulator Shorted Solenoid
8
10
RF Modulator Shorted Solenoid
9
4
LR Modulator Shorted Solenoid
9
10
RR Modulator Shorted Solenoid
8
5
LF Modulator Shorted to VBAT
8
11
RF Modulator Shorted to VBAT
9
5
LR Modulator Shorted to VBAT
9
11
RR Modulator Shorted to VBAT
™
M-30
modulator
C1-D1
3.5-5.0 Ohms
C1-E1
3.5-5.0 Ohms
D1-E1 7.0
-10.0 Ohms
™
M-30
modulator
H1-G1
3.5-5.0 Ohms
H1-F1
3.5-5.0 Ohms
G1-F1 7.0
-10.0 Ohms
™
M-30
modulator
A1-B1
3.5-5.0 Ohms
A1-C1
3.5-5.0 Ohms
B1-C1 7.0
-10.0 Ohms
™
M-30
modulator
F1-E1
3.5-5.0 Ohms
F1-D1
3.5-5.0 Ohms
E1-D1 7.0
-10.0 Ohms
™
ABS Modulators (Continued)
8
6
LF Modulator Shorted Between
8
12
RF Modulator Shorted Between
9
6
LR Modulator Shorted Between
9
12
RR Modulator Shorted Between

Retarder Relay Control

10
1
Retarder Relay Open
10
2
Retarder Relay Shorted
ATC - Traction Control
10
5
Traction Modulator Open
10
6
Traction Modulator Shorted to Ground
10
7
Traction Modulator Shorted
10
8
Traction Modulator Shorted to VBAT

Lamps

10
9
Traction Lamp Open
10
10
Traction Lamp Shorted
10
11
ABS - Warning Lamp Open
10
12
ABS - Warning Lamp Shorted
11
1
Trailer ABS - Warning Lamp Open (Dash Mounted)
11
2
Trailer ABS - Warning Lamp Shorted (Dash Mounted)

Engine Serial Communications

11
3
J1939 Data Link Retarder Communication Fault
11
4
J1939 Data Link Engine Communication Fault
11
5
J1922 Data Link Engine Communication Fault
11
6
J1922 Data Link Retarder Communication Fault
Display Active DTC
Codes
To display active DTC
codes, press the blink
code switch one time.
Following activation,
there will be a 3 second
delay followed by a
blink code display of all
active DTC codes.
Display DTC Code History
To display history DTC codes, press the blink code switch two times.
Following activation, there will be a 3 second delay followed by a blink
code display of all history DTC codes.
Reset Active DTC Codes
To reset active DTC codes, press the blink code switch three times.
™
M-32
modulator
Following activation, there will be a 3 second delay followed by a blink
4.9-5.5
Ohms
code message of:
4.9
-5.5 Ohms
1-1, (System Fully Operational - No DTCs Detected)
9.8
-11.0 Ohms
or,
A blink code display of all active DTC codes.
™
M-32
modulator
4.9-5.5
Ohms
The ABS warning lamp will stay on if active DTCs are still present.
4.9
-5.5 Ohms
9.8
-11.0 Ohms
Resetting active DTCcodes with blink code diagnostics does not clear
information from DTC history. DTC history can be retrieved by using
blink code diagnostics or by using a diagnostic tool.
™
Display EC-30
Controller
Configuration
To check the ECU
configuration, press the
blink code switch four
times. Following
activation, there will be
a 3 second delay
followed by a blink code
™
display of the EC-30
configuration.
Most Commonly Encountered Problems
That Result In LED's Being Illuminated
Repair or Replace Components as Necessary
1. Abraded or cut wires in the convoluted tubing near frame clamps.
2. Cut or corroded wires near sharp frame members and frame mounted
™
M-32
modulator
modulators.
4.9-5.5
Ohms
3. Wire jacket worn through from overlapping sensor and modulator
4.9
-5.5 Ohms
wires near frame members and frame mounted modulators.
9.8
-11.0 Ohms
4. Corroded connectors and connections not properly sealed or damaged
seals.
™
M-32
modulator
5. Damaged connector latches or connectors not completely seated to
4.9-5.5
Ohms
mating assemblies.
4.9
-5.5 Ohms
6. Terminals not completely latched or seated into connectors.
9.8
-11.0 Ohms
7. Excessive sensor air gap, sensor clip tension, or excessive bearing
end play (gently push sensor against wheel hub, or readjust bearings.)
8. Damage to exposed wires exiting or entering the convoluted tubing.
9. Worn, chipped or damaged sensor or modulator.
10. Non functioning antilock controller.
If Traction Dash Lamp Only Illuminated, Check/Repair These Items
First:
1. Traction enable/disable switch in wrong position.
2. Loss of traction engine serial communication (check service manual).
3. Traction solenoid not connected, or exceeds resistance range.
Press the Blink
Blink Code Action
Code Switch
1 time
Display Active DTC Codes
2 times
Display DTC Code History
3 times
Reset Active DTC Codes
4 times
Display EC-30 Configuration
1st Digit
Sensors
2
4 Sensors
3
6 Sensors
2nd Digit
Modulators
2
4 Modulators
3rd Digit
ATC
2
Not ATC
3
ATC Engine Torque Limiting Only
4
ATC Differential Brake Only
5
Full ATC (Engine Torque Limiting
and Differential Braking)