p0325
Moderate
Honda · SUVs
Knock Sensor 1 Circuit Malfunction Bank 1
Quick Answer
Error code P0325 on your Honda SUVs means: Knock Sensor 1 Circuit Malfunction Bank 1. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty knock sensor
  2. Corroded or damaged wiring harness to the knock sensor
  3. Knock sensor mounting bolt not torqued to specification
  4. Engine block corrosion around the knock sensor mounting surface
How to Fix It
1
Locate the knock sensor on the engine block; on Honda SUV engines it is typically beneath the intake manifold
2
Inspect the knock sensor wiring harness and connector for damage, chafing, or corrosion
3
Test the knock sensor resistance with a multimeter; compare to Honda specification (typically 500-600 kOhm)
4
Ensure the knock sensor mounting bolt is torqued to specification and the mounting surface is clean
5
Replace the knock sensor and re-torque to the specified value if resistance is out of range
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Knock sensor
Knock sensor wiring harness
Knock sensor mounting bolt
Intake manifold gasket (if manifold removal is required)
Related Error Codes
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