HALDEX-L31204
HALDEX M939 INFOCENTER
HAND-HELD DIAGNOSTIC TOOL; INSTRUCTION MANUAL
NOVEMBER 2003
HALDEX-L31204 - Page 9 of 10
SUPPLY VOLTAGE GROUP
Possible causes:
Verify +24V dc power source.
Do
not use battery charger as power supply.
B+LO 90
Supply voltage at ECU less than 21V when a solenoid is energized.
ISO1
91
Faulty supply or 15Amp fuse blown (Incorrect power switch sequence).
B+HI
92
Supply voltage at the ECU greater than 33V.
CF
Sensors and Solenoid not connected Alternating with code 90 (incomplete
solenoid
function) Check ECU supply voltage.
VARIOUS CODES
ECU 93
Internal ECU fault.
ECU 99
Internal ECU fault.
E (0-F)
Internal ECU fault.
CLR CA
Erase stored faults.
CLR CC
Clear Configuration.
COM FAIL
Communication failure between ECU and INFOCENTER (Press either
7
If a 90 or 92 fault is active, correct the power
problem and re-power the ABS before addressing
other faults.
LAMP 0E
ABS Warning Lamp
Possible causes:
ABS Warning Lamp
Relay Open or short circuit.
___________________________________________________________________________
button to re-establish communications).
Possible causes:
ECU
failure.
2S2C C1
ABS Configuration (2 Sensors and 2 Modulator Valves)
Back to Top
