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Trouble Code
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Trouble Code Storage when...
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Remarks
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85
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Trouble
code is stored if the serial clock line is short circuited to B+ or is
interrupted.
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Notes for
Trouble-shooting:
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Nominal Value:
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Cause of Fault:
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· Disconnect
battery.
· Remove
DID.
· Disconnect plug from DID.
· Remove radio.
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· Measure
resistance between DID plug Ter. 9 and Ter. 1:
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> 20 kW
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· Wiring
harness defective
· Short circuit in wiring harness to vehicle
voltage Ter. 30
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· Measure
resistance between DID plug Ter. 9 and Ter. 5:
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> 20 kW
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· Wiring
harness defective
· Short circuit in wiring harness to vehicle
voltage Ter. 15
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· Measure
resistance between DID plug Ter. 9 and Ter. 8:
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> 20 kW
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· Wiring
harness defective
· Short circuit in wiring harness to vehicle
voltage Ter. AA
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· Measure
resistance between DID plug Ter. 9 and radio plug SCL terminal:
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< 1 W
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· Interruption
in line from DID plug Ter. 11 to radio plug SCL terminal
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· Install
DID.
· Install radio.
· Connect battery.
· Switch on radio.
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no trouble codes
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· Radio
defective
or
· DID
defective
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