Honda ACCORD HYBRID 2005 Service Manual page 398

PGM-FI System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P2227: BARO Sensor Range/
Performance Problem
NOTE: If DTC P0107, P0108, P1128, and/or P1129 are
stored at the same t i m e as DTC P2227, troubleshoot
those DTCs first, then recheck f o r DTC P2227.
1. Turn the ignition switch ON (II), and w a i t 2 seconds.
2. Check the BARO SENSOR: in the DATA LIST w i t h
the HDS.
Is about 101 kPa (29.9 in.Hg, 760 mmhfg), or about
2.9 V at sea level indicated?
Y E S — G o t o step 3.
NO—Update the PCM if it does not have the latest
software, or substitute a k n o w n - g o o d PCM
(see page 11-6), then recheck. If the s y m p t o m /
indication goes away w i t h a k n o w n - g o o d PCM,
replace the original PCM (see page 11-219). •
3. Clear the DTC w i t h the HDS.
4. Start the engine. Hold the engine speed at
3,000 r p m w i t h o u t load (in Park or neutral) until the
radiator fan comes o n , then let it idle.
5. Test-drive under these conditions, then connect the
HDS:
• Engine coolant temperature above 158 °F (70 °C)
• Transmission in D position
• Throttle position between 14 degrees and
45 degrees for 2 seconds
6. M o n i t o r the OBD STATUS for DTC P2227 in the
DTCs MENU w i t h the HDS.
Does the screen indicate FAILED?
Y E S — G o to step 7.
NO—If the screen indicates PASSED, intermittent
failure, system is OK at this t i m e . If the screen
indicates NOT COMPLETED, go to step 4 and
recheck.
7. Update the PCM if it does not have the latest
software, or substitute a k n o w n - g o o d PCM
(see page 11-6).
8. Reset the PCM w i t h the HDS.
9. Do the PCM idle learn procedure (see page 11-340).
10. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S — I f DTC P2227 is indicated, check for poor
connections or loose t e r m i n a l s at the PCM, then go
to step 1. If any other T e m p o r a r y DTCs or DTCs are
indicated, go to the indicated D T C s
troubleshooting.
NO—If the PCM w a s updated, t r o u b l e s h o o t i n g is
complete. If the PCM w a s substituted, replace the
original PCM (see page 1 1 - 2 1 9 ) . •
11-158