DSE Model 5210 Automatic Start Engine Management and Instrumentation System Operators Manual
8.3.5 VOLVO TAD12
PLUG “A” 8 WAY
52xx
PIN No
52xx
DESCRIPTION
Volvo TAD12 ‘Stand alone
connector’ terminal
NOTES
4 Fuel relay output H TAD12 STOP input.
5 Start relay output E TAD12 START input.
6 Aux output 1 P Aux output 1 configured to “Louvre
control”.
PLUG “C” 3 WAY
52xx
PIN No
52xx
DESCRIPTION
Volvo TAD12 ‘Data bus
connector’ terminal
NOTES
20 CANbus common - Screen for the J1939 cable. Connect at
52xx end only.
21 CANbus H 1 (Hi)
J1939 + Use only screened 120Ω
impedance cable approved specifically
for use in CANbus applications.
22 CANbus L 2 (Lo)
J1939 - Use only screened 120Ω
impedance cable approved specifically
for use in CANbus applications.
ADDITIONAL CONNECTIONS TO TAD12 ECU
Volvo TAD12 ’Stand alone
connector’ terminal
NOTES
R ECU Power negative supply
Q ECU Power positive supply
NOTE:- Should the TAD12 ECU detect an engine fault not monitored by the 52xx, an ‘external reset’
must be provided to reset the ECU.
Volvo specify that the reset is performed using external pushbuttons to give an input to TAD12
Standalone connector terminal J (diagnostics), P (power) and H(stop).
According to Volvo, the reset sequence is :
Press and hold down the diagnostic button (terminal J) and apply power to H (stop)
Apply power to P (but don’t start the engine).
Hold these inputs for three seconds.
Release the diagnostic button (terminal J).
Remove power from H (stop).
Remove power from P (power).
5210 OPERATING MANUAL ISSUE 2 21/05/2003 AM
38
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