Product Manual

8
PART 3: CONTROLS AND PANELS
An overview of the MUTT
®
’s controls, inputs, outputs and their functions.
3.1 LEFT AND RIGHT SIDE PANELS
A. 7 ROUND PIN CABLE TEST INPUT
For testing the integrity of a 7 round pin trailer cable. Can also be used to verify
that the MUTT
®
is operating correctly.
B. SHOP AIR INPUT
A bulk head air input with external stone fi lter that is used to connect an air
compressor to the MUTT
®
for testing air brakes on a trailer.
C. 20 AMP INDEPENDENT POWER INPUT
For connecting external 12DC 20 amp max. power supply. (Power supply is an
optional accessory, not for battery charging.)
D. CHASSIS GROUND OUTLET
Insert the supplied ground cable into this socket for trailers using the frame or
body for ground connection instead of the ground pin in the harness.
E. 7 ROUND PIN CABLE OUT TO TRAILER
For connecting 7 round pin trailer to the MUTT
®
to test electrical circuits.
F. 12V DC BATTERY TRICKLE CHARGE INPUT (CIGARETTE SOCKET)
For connecting the trickle charger to the MUTT
®
’s internal battery (battery not
included).
Left Side Right Side
C D E
F
A
B
33
9.3 BENDIX BLINK CODES
To access Bendix Blink Codes you must select the Auxiliary Circuit and press the
control knob to cycle the Brake Light Circuit the appropriate number of times using
the following directions:
See table below for modes and sequences:
1. Make sure trailer is stationary and wheels are properly chocked.
2. On the MUTT
®
, turn the control knob to select the Auxiliary Circuit
3. Push the control knob to cycle the Brake Light Circuit for each desired Cycle in
one second intervals. The Brake Light Circuit will fl ash.
4. Count number of blinks on Trailer ABS Lamp; see chart below for specifi c fault info.
NOTE: Blink code “Digits” are seperated by a one second pause.
Mode Cycle Brake Light Power
Display Active DTCs 3 times
Display Inactive DTCs 4 times
Clear Active DTCs 5 times
Display Confi guration 6 times
Display Odometer Mileage 7 times
Reset Confi guration 8 times
1st
Digit
2nd
Digit
Fault Description Repair Information J1587
(SID)
J1587
(FMI)
10 10 No Faults ABS system fully operational - no
faults detected
10
2
3
4
5
2
3
4
5
2
3
4
5
1
1
1
1
2
2
2
2
3
3
3
3
SL Sensor signal valid -large gap
SR Sensor signal valid - large air gap
SAL Sensor signal valid - large air gap
SAR Sensor signal valid - large air gap
SL Sensor signal valid - loss of signal
SR Sensor signal valid - loss of signal
SAL Sensor signal valid - loss of signal
SAR Sensor signal valid - loss of signal
SL Sensor signal valid – noisy
SR Sensor signal valid – noisy
SAL Sensor signal valid – noisy
SAR Sensor signal valid – noisy
Dynamic Wheel Speed Sensor Fault.
Go to Section G, on Page 29.
1
2
3
4
1
2
3
4
1
2
3
4
0
0
0
0
1
1
1
1
2
2
2
2
2
3
4
5
4
4
4
4
SL Sensor shorted or open
SR Sensor shorted or open
SAL Sensor shorted or open
SAR Sensor shorted or open
Static Wheel Speed Sensor Fault.
Go to Section G, on Page 29.
1
2
3
4
4 or 5
4 or 5
4 or 5
4 or 5
2
3
4
5
5
5
5
5
SL Tire diameter out of range
SR Tire diameter out of range
SAL Tire diameter out of range
SAR Tire diameter out of range
Verify correct tire size as desired.
Verify proper tire infl ation.
Verify correct number of excitering
teeth.
Verify that the ECU has the proper tire
size settings.
1
2
3
4
13
13
13
13
WHEEL SPEED SENSORS (WSS)