Passat Wagon L4-1.9L DSL Turbo (AHU) (1997)
Scale B the values for temperature range 50 to 100°C
Examples:
30°C corresponds to a resistance from 1500 to 2000 Ohms
80°C corresponds to a resistance from 275 to 375 Ohms
If specification not obtained:
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Replace Intake Air Temperature sensor G72
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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 the connector using wiring diagram:
terminal 1 + socket 64
terminal 2 + socket 33
Wire resistance: 1.5 Ohms maximum
Also check wires for shorting 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
If DTC memory was erased:
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Create readiness code again