Golf L4-1896cc 1.9L DSL Turbo (1Z) (1997)
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Measure resistance between sensor terminals 1 and 3 using jumper wires from VW 1594 adaptor kit:
Accelerator not depressed: Closed Throttle position
Specification: 1000 to 1500 Ohms.
Accelerator depressed: Wide Open Throttle position
Specification: 1500 to 2500 Ohms.
If specifications not obtained:
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Replace Throttle Position sensor G79
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Display the readiness code
If DTC memory was erased:
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Create readiness code again
If specifications obtained:
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Switch OFF ignition
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Disconnect Throttle Position sensor harness connector
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Connect VAG 1598/18 Test Box to ECM harness connector
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Check following wiring connections for: Open circuits and/or Short to positive or negative:
Wiring from connector terminal 1 to Test Box socket 15
Wiring from connector terminal 2 to Test Box socket 57
Wiring from connector terminal 3 to Test Box socket 55
Wiring from connector terminal 4 to Test Box socket 65
Wiring from connector terminal 5 to Test Box socket 62
Wiring from connector terminal 6 to Test Box socket 33
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Repair any open/short circuit as necessary
If neither an open or short circuit exists:
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Replace Diesel direct injection system ECM
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Display the readiness code
If DTC memory was erased:
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Create readiness code again