Description:

This diagnostic code signals that the resistance in the circuit to the second injection valve is below the normal range, indicating a short to ground. Such a condition can lead to excessive current flow through the circuit, potentially damaging the injection valve or related electronic components.

Reaction:

The ECU may deactivate the affected injection valve to prevent further damage and stabilize engine operation.

Recommendations:

• Inspect Wiring and Connectors: Thoroughly check the wiring to the second injection valve for any signs of damage, wear, or contact with metal surfaces that could cause grounding.
• Test Circuit Resistance: Use a multimeter to measure the resistance levels within the circuit, identifying areas where resistance is abnormally low.
• Repair or Replace Affected Components: Fix any faults found in the wiring or connectors. If the injection valve is damaged due to the short, consider replacing it.
• Reset ECU and Perform Tests: After making repairs, reset the ECU to ensure all changes are recognized. Test the fuel injection system to ensure it functions properly without recurrence of the fault.

Note:

Maintaining proper resistance levels in electrical circuits is critical to safe and efficient operation of fuel injection systems. Regular inspection and maintenance can help prevent shorts and preserve component integrity.