Golf L4-1896cc 1.9L DSL Turbo (1Z) (1997)
If specifications not obtained:
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Check start of injection valve as follows
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Press -> button
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Press 0 and 6 buttons to select function 06 "End data transfer"
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Press Q button to enter input
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Switch OFF ignition
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Disconnect Diesel injection pump harness connector
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Measure resistance between connector terminals 2 + 3:
Specification: 12 to 20 Ohms.
If specification not obtained:
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Replace start of injection valve N108
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Display the readiness code
If DTC memory was erased:
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Create readiness code again
If specification obtained:
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Connect Test Box VAG 1598/18 to ECM harness connector
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Check wiring for open circuit between Test Box and 3 pin connector using wiring diagram:
terminal 2 + socket 51
terminal 3 + socket 68
Wire resistance: max. 1.5 Ohms.
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Additionally check wires for short to one another
Specification: Infinite Ohms.
If wiring OK:
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Replace Diesel direct injection system ECM J248
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Display the readiness code