Haldex blink codes – IPA Tools 9005A Super MUTT Head User Manual
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X
X
X
X
X
X
Red channel wheel speed sensor wiring S1A
has an Open or Short circuit.
Red channel wheel speed sensor wiring S1B
has an Open or Short circuit.
Blue channel wheel speed sensor wiring S2A
has an Open or Short circuit.
Yellow channel wheel speed sensor wiring
S2B has an Open or Short circuit.
Blue channel wheel speed sensor wiring S3A
has an Open or Short circuit.
Yellow channel wheel speed sensor wiring
S3B has an Open or Short circuit.
Indicates a wheel speed sensor
or its wiring has short or open
circuit. Disconnect the relevant
sensor and measure the
resistance between the two pins
in the sensor connector housing.
If sensor extensions are used
verify extension continuity and
connections. Replace sensor and/
or extension cable.
The Ohm meter reading for the
sensor or sensor and extension
cable should be between 980
and 2350 Ohm (.98K and 2.35K
Ohm) If not, replace sensor and/
or extension cable.
HALDEX BLINK CODES
Select brake circuit, depress control knob to flash AUX in sequence.
Item
Flash Count
Actual Fault
System OK
Light Stays On
07
Sensor 1A
1 Flash
01
Sensor 1B
2 Flashes
02
Sensor 2A
3 Flashes
03
Sensor 2B
4 Flashes
04
Sensor 3A
5 Flashes
05
Sensor 3B
6 Flashes
06
Red Valve
7 Flashes
61, 67, 71, 77, 81, & 87
Blue Valve
8 Flashes
62, 68, 72, 78, 82, & 88
Yellow Valve
9 Flashes
63, 69, 73, 79, 83, & 89
Low Voltage
10 Flashes
90
ECU Failure
11 Flashes
93, 99, & E-Codes
Fault
Code
Explanation
Possible Causes
PLC
Select
1M
PLC
Select
2M
00
07
System OK (with vehicle traveling > 6 mph)
System OK (No Active Fault)
ABS is operational Displays “00”
when traveling > 6 MPH
ABS ECU is fully operational. Dis-
plays “07” vehicle is stationary
X
X
X
X
01
02
03
04
05
06