Honda Accord: ECM/PCM Idle Learn Procedure
The idle learn procedure must be done so the ECM/PCM can learn the engine idle characteristics.
Do the idle learn procedure whenever you do any of these actions:
- Replace ECM/PCM.
- Reset ECM/PCM
- Update ECM/PCM.
- Replace or clean the throttle body.
- Disassemble the engine or the transmission.
NOTE: Erasing DTCs with the HDS does not require you to do the idle learn procedure.
Procedure
1. Make sure all electrical items (A/C, audio, lights, etc.) are off.
2. Reset the ECM/PCM with the HDS.
3. Turn the ignition switch to ON (II), and wait 2 seconds.
4. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194 Р’В°F (90 Р’В°C).
5. Let the engine idle for about 5 minutes with the throttle fujly closed.
NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.
Idle Speed Inspection
NOTE: - Before checking the idle speed, check these items: - The malfunction indicator lamp (MIL) has not been reported on, and there are no DTCs. - Ignition timing - Spark plug ...See also:
Front Brake Pad Inspection and Replacement
Special Tools Required
Brake Caliper Piston Compressor 07AAE-SEPA101
Frequent inhalation of brake pad dust, regardless of
material composition, could be hazardous to your
health.
- Avoid breath ...
Pump Pressure Test w i th T/N 07406-001000A or T/N
07406-001A101
Special Tools Required
-Pump Joint Adapter 07RAK-S040111 o r
P/S Joint
Adapter (pump) 07RAK-S040110
•Hose Joint Adapter 07RAK-S040122
•P/S Pressure Gauge 07408-001000A or
07406-001A1 ...
A/C Condenser Fan High Speed Circuit
Troubleshooting
ECM/PCM CONNECTOR A (49P)
Terminal side of female terminals
Is there battery voltage?
YES-Go to step 6.
NO-Repair an open in the wire between the
under-hood fuse/relay box and the ECM/PCM. If ...