Volvo Penta Group 23 EDC III — Checking the camshaft and flywheel sensors
Testing & diagnosis · Camshaft/flywheel tachometer sensors
For the Volvo Penta Group 23 EDC III, from the Volvo Penta service manual.
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Procedure
- Remove sensors from the engine; disconnect the connector and check for damage or debris.
- Set multimeter to measure resistance across the connector pins (should be 775–945 Ω).
- Quickly pass a metal object close to the sensor; check the multimeter gives a reading.
- Check the sensor is securely mounted and the distance to the wheel is correct.
Tools required
- 9510060-8 Multimeter Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Resistance 775–945 Ω
- Flywheel distance 0.75–2.1 mm (0.03–0.83'')
- Camshaft distance 0.3–1.0 mm (0.012–0.039'')
Source: Volvo Penta service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.