Description:

Error code ECU 000636.06 is triggered when high current is detected in the wiring of the pump position sensor, indicating circuit resistance is too low, which typically suggests a short to ground. This abnormal condition can affect the accuracy of the pump position sensor’s readings, which are crucial for precise engine timing.

Reaction:

The ECU may adjust engine settings or display warning signals to prevent damage due to potential inaccuracies in pump positioning data.

Recommendations:

• Inspect Sensor Wiring: Check the wiring of the pump position sensor for any signs of damage, corrosion, or improper connections that could cause a short to ground.
• Measure Circuit Resistance: Utilize a multimeter to measure the resistance levels in the sensor circuit to confirm the low resistance diagnosis.
• Repair or Replace Wiring: Fix any identified issues with the wiring or connectors to restore proper circuit resistance.
• Reevaluate Sensor Operation: After repairs, test the pump position sensor to ensure it provides accurate readings to the ECU.

Note:

It is crucial to maintain correct wiring integrity to ensure reliable sensor performance and safeguard engine operations.