Lsu 4.9 Lambda Sensor; Engine Speed Sensor - Bosch IMSA Prototype Classes Scrutineering System Manual

Bosch Motorsport
3.3.6

LSU 4.9 Lambda Sensor

Functional Description: Exhaust gas lambda sensor
Use Case:
See Appendix for required sensor mounting information.

One sensor per cylinder bank is required.

Callout: Driver's left bank will be Sensor #1
Part Number: 0258.988.001
Thread: M18 x 1.5
Installation Torque: 40 to 60 Nm
3.3.7

Engine Speed Sensor

Functional Description: Hall effect speed sensor
Use Case:
Each manufacturer may select a sensor to be approved by IMSA.

This sensor must be fitted in an IMSA approved location.

Missing/extra tooth configurations are NOT supported

Recommendation:
Bosch P/N: HA-N F.02U.V0U.714-01

20 tooth symmetrical wheel, no missing teeth

Trigger Wheel Requirements (for HA-N above):
Diameter > 80mm

Slot Width > 10mm

Tooth Width > 5mm

Height of tooth >5mm

Thickness > 8mm

Harness Pinout:
Connector
Pin
1
2
3
4
5
IMSA Prototype Class Scrutineering Logger
ASL106-05SA-HE
Description
12V+ KL.30
GND
Signal
3 | Components
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