Caterpillar — Test Step 8. Install a Jumper Wire
Testing & diagnosis · Suspect sensor connector
From a Caterpillar service manual covering: 3500B Engine, PM3516, PM3516 Power Module. Check it applies to your exact model before use.
Applies to: Caterpillar 3500B engine
Before you start
- Temporarily connect a new sensor and verify it solves the problem before permanent installation. Calibrate the sensor.
Procedure
- Turn the ECS to the OFF/RESET position.
- Disconnect the suspect sensor.
- Use a wire with socket terminals to connect pin B and pin C at the sensor connector.
- Turn the ECS to the ON position, engine OFF.
- Check if the CID-FMI changed from 03 to 04.
- Turn the ECS to the OFF/RESET position and remove the wire short.
Tools required
- Jumper wire with socket terminals Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Caterpillar 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.