Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2001ODYSSEY LXREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMIDLE CONTROL SYSTEMPCM IDLE LEARN PROCEDURENOTES
2001 Honda Odyssey LX
PCM Idle Learn Procedure: Notes
2001 Honda Odyssey LXSECTION Notes
For the PCM to learn the engine idle characteristics, this procedure must be done.
Do the idle learn procedure whenever you do any of these actions:
- Disconnect the battery.
- Replace the PCM.
- Replace or clean the throttle body.
- Replace the idle air control (IAC) valve.
- Reset the PCM.NOTE: Clearing DTCs with the HDS does not require you to do the idle learn procedure.
- Remove the No. 13 CLOCK BACK UP (7.5A) fuse from the passenger's under-dash fuse/relay box.
- Remove the BATTERY (120A) fuse from the under-hood fuse/relay box.
- Remove the BACK UP, ACC (40A) fuse from the under-hood fuse/relay box.
- Remove any of the wires from the under-hood fuse/relay box.
- Remove any of the wires from the driver's/passenger's under-dash fuse/relay box.
- Disconnect any of the connectors from the under-hood fuse/relay box.
- Disconnect any of the connectors from the driver's/passenger's under-dash fuse/relay box.
- Disconnect the connector between the engine wire harness and left engine compartment wire harness.
- Disconnect the G2 terminal from the transmission housing.
- Disconnect the G1 terminal from the body.
- Disconnect the G101 terminal from the water passage.
- Disconnect the G102 terminal from the intake manifold.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.