IMPACT 4.07.
80 08/09/2020
Chassis ID Path
MHHK 805320 364/Diagnostics//IECU-C1001, PTO valve 2
Model Identity
UD-HDE 132455144
Publish date ID/Operation
14/11/2013
IECU-C1001, PTO valve 2
Fault Conditions for fault Observable symptoms Probable cause
type code
FTB 12
(Circuit Circuit Short To Power Take Off (PTO) cannot be Short circuit to voltage supply
Short Battery deactivated Short circuit to battery voltage
To Switch position: Damaged component
Battery S28B Pressed Damaged connector
) A149.PB:2 Damaged wires
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.07.80 08/09/2020
FTB 14
(Circuit Circuit Short To Power Take Off (PTO) cannot be Short circuit to ground
Short Ground or Open activated Open circuit
To Switch position: Damaged component
Ground S28B Not Pressed Damaged connector
or A149.PB:2 Damaged wires
Open )
Resistance Measurement
Measurement Key position Measurement points Expected Measured Other (Special
Breakout box Wiring diagram Value value Tool PN)
Control Wire, OFF 49 – 47 Y18B:3 – Y18B:1 287 KOhm – 88890167,
Supply Wire 297 KOhm 9998699
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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