28-30
Checking wiring between knock sensor and
ECM
- Connect VAG 1598/19 test box to ECM harness
connector page 01
-255
.
- Check wiring for continuity or short between
knock sensor and ECM using wiring diagram.
Terminal assignments (inside connector)
Knock Sensor (KS) 1 -G61- 1 - Ground (GND) wire
2 - Signal wire
3 - Shield
- Check signal wire for continuity between harness connector terminal 2
(in engine compartment) and test box socket A13.
Specified value: max. 1 - Check Ground (GND) wire for continuity between harness connector
terminal 1 and test box socket A14.
Specified value: max. 1 - Check shielding for continuity between harness connector terminal 3
(in engine compartment) and engine Ground.
Specified value: max. 1
Pa
ge 3 of 6 Knock sensors, checkin
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11/23/2002 htt
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