Knock Sensor

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Knock Sensor
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Mazda Tribute, 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
KNOCK SENSOR (KS) RESISTANCE

Temperature °F (°C) Ohms
B2300, B3000 & B4000 (1)
68 (20) 4390-5350
Mazda6 & MPV
68 (20) 4870
Miata (2)
68 (20) 560K
Protege
68 (20) 532-588K
Tribute (3)
68 (20) 4390-5350
(1) Measure the resistance between PCM test pin 32 and PCM test pin 57 on break-out box. See Fig 1 .
(2) Measure resistance between terminal "A" and KS body. See Fig 3 .
(3) Measure the resistance between PCM test pin 87 (2.0L) or PCM test pin 32 (3.0L) and PCM test pin 57. See Fig 6 and Fig 7 .
Fig 1: Identifying KS Terminals (B2300, B3000 & B4000)
G00252974Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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