1998 Honda Odyssey 09 2 Cyp Sensor 1 Noise This Code Given Whenever Check Just

That is a fault with the cylinder position sensor inside the distributor.

DTC P1381 & DTC P1382 - CYP SENSOR

1. Check for poor connections or loose wires between CYP sensor connector and PCM.
2. Check for poor connections and conditions of spark plug wires. Reconnect or replace spark plug wires as necessary. If spark plug wires are okay, go to next step.
3. Turn ignition off. Disconnect distributor 4-pin sensor connector. Measure resistance between distributor sensor terminals No. 3 (Yellow wire) and No. 4 (Black wire). See Fig. 12 . If resistance is 800-1500 ohms, go to next step. If resistance is not 800-1500 ohms, replace distributor housing.
4. Check for continuity between ground and distributor 4-pin connector terminals No. 3 (Yellow wire) and No. 4 (Black wire), individually. If
continuity does not exist, go to next step. If continuity exists, replace distributor housing.
5. Ensure ignition is off. Reconnect distributor 4-pin connector. Disconnect PCM 31-pin connector "C". Using backprobe kit, measure resistance between PCM 31-pin connector "C" terminal C29 (Yellow wire) and terminal C30 (Black wire). See Fig. 3 . If resistance is 800-1500 ohms, go to next step. If resistance is not 800-1500 ohms, repair open in Yellow wire and/or Black wire between PCM and distributor.
6. Check for continuity between ground and PCM 31-pin connector "C" terminal C29 (Yellow wire). If continuity exists, repair short in Yellow wire between PCM and distributor. If continuity does not exist, substitute a known-good PCM and recheck. If symptom or problem goes away, replace original PCM.