Aston Martin DB7 Workshop Manual page 368

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The Aston Martin Lagonda Diagnostic System
Installation Instructions
Step 4
Connect the mains power to the base station. Is the base station red indicator illuminated?
YES - Go to step 5
N O - Renew the electronic module (0019)
Steps
Switch off the PDU and disconnect al I cables. Set up the PDU to charge from the left charge socket on the base station
using one of the PDU to base station cables. Is the PDU charge indicator (Fig 1-5) illuminated.
YES - Go to step 9
N O - Go to step 6
Step 6
Set up the PDU to charge from the right socket on the base station using the same PDU to base station cable. Is the
PDU charge indicator (Fig 1-5) illuminated.
YES - Co to step 8
N O - Go to step 7
Step 7
Using the VBA, connect the PDU to a charged vehicle battery. Is the PDU charge indicator illuminated?
YES - Go to step 8
N O - Renew the PDU (001 7)
Steps
Switch off the PDU and disconnect all cables. Connect the PDU to the base station left connector using the second
PDU to base station cable (0064). Is the PDU charge indicator illuminated?
YES - The first PDU to base station cable (0064) is faulty, renew the cable.
N O - Renew the electronic module (0019).
Step 9
Switch on the PDU. Is the PDU power indicator (Fig 1-6) illuminated?
YES - Go to step 10.
N O - Renew the PDU (001 7).
Step 10
Is the PDU touch screen illuminated?
YES - Go to step 12.
N O - Go to step 1 1 .
May 1996 9-17