Honda 2004 Odyssey, Service Manual

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11-202
Idle Control System
PCM Idle Learn Procedure
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.
1. Make sure all electrical items (A/C, audio, rear
window defogger, lights, etc.,) are off.
2. Start the engine, and hold it at 3,000 rpm with no
load (in Park or neutral) until the radiator fan comes
on, or until the engine coolant temperature reaches
194°F (90°C).
3. Let the engine idle for a minimum of 5 minutes with
no load.
NOTE: If the radiator fan cycles during this time, do
not include its running time in the 5 minutes.
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For the PCM to learn the engine idle characteristics, this
Procedure: