A4 Sedan V6-2.8L (AFC) (1996)
If specified values are not obtained, repair open or short circuit.
Knock Sensor (KS) 2 -G66-
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Check signal wire for continuity between harness connector terminal 2 (in engine compartment) and test box socket A15.
Specified value: max. 1 ohm
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Check Ground (GND) wire for continuity between harness connector terminal 1 and test box socket A14.
Specified value: max. 1 ohm
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Check shielding for continuity between harness connector terminal 3 (in engine compartment) and engine Ground.
Specified value: max. 1 ohm
If the specified values are not obtained:
-
Eliminate open or short circuit in wiring.
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knock sensor 1 (bank 1):
Knock sensor terminal number
ECM connector A or engine ground (GND)
1 (Signal)
A13
2 (Ground)
A14
3 (shield)
Engine Ground (GND)
-
Knock sensor 2 (Bank 2):
Knock sensor terminal number
ECM connector A or engine ground (GND)
1 (Signal)
A15
2 (Ground)
A14
3 (Shield)
Engine Ground (GND)