Acura 3.5 RL Manual page 387

PGM-FI System
How to Set Readiness Codes (cont'd)
HO2S Monitor
NOTE:
• Do not turn the ignition switch OFF.
• When the battery negative cable is disconnected, all
readiness codes are cleared.
Required condition ('96 - 97 models):
• Ambient temperature between 32 - 95°F (0 - 35°C).
• Altitude below 2,400 m (7,874 ft.).
Required condition ('98 - 01 models):
Ambient temperature between 20 - 95°F (-7 - 35°C).
1. Connect the scan tool to the Data Link Connector
(DLC).
2. Start the engine, and hold it at 3,000 rpm with no
load (in Park or neutral) until the radiator fan comes
on.
3. Let the engine idle for 5 seconds.
4. Drive at a steady speed between 50 - 62 mph (80 -
100 km/h) for about 2 minutes.
5. With the A/T in D4 position, decelerate from 62 mph
(100 km/h) by completely releasing the throttle for
at least 5 seconds. If the engine is stopped during
this procedure, go to step 4 and do the procedure
again.
6. Check for the readiness code with the scan tool.
HO2S Heater Monitor
NOTE: When the battery negative cable is disconnected,
all readiness codes are cleared.
1. Connect the scan tool to the Data Link Connector
(DLC).
2. Start the engine, and let the engine idle for 10 min-
utes.
3. Check for the readiness code with the scan tool.