LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2003 >> B2300 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls [Sensor Operating Range Charts] >> Introduction >> Knock Sensor
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Knock Sensor

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.
Fig 2: Identifying KS Terminals (Mazda6)
G00252975Courtesy of MAZDA MOTORS CORP.
Fig 3: Identifying KS Terminals (Miata)
G00252976Courtesy of MAZDA MOTORS CORP.
Fig 4: Identifying KS Terminals (MPV)
G00252977Courtesy of MAZDA MOTORS CORP.
Fig 5: Identifying KS Terminals (Protege)
G00252978Courtesy of MAZDA MOTORS CORP.
Fig 6: Identifying KS Terminals (Tribute - 2.0L)
G00252979Courtesy of MAZDA MOTORS CORP.
Fig 7: Identifying KS Terminals (Tribute - 3.0L)
G00252980Courtesy of MAZDA MOTORS CORP.