Honda Accord 2008 Manual page 441

07/11/02 09:04:57 61TA0000_110_0122
PGM-FI System
DTC Troubleshooting (cont'd)
47. Test-drive the vehicle for several minutes in the
range of these recorded freeze data parameters:
• ENGINE SPEED
• VSS
• REL TP SENSOR
• CLV (calculated load value)
• APP SENSOR
48. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0301, P0302, P0303, or P0304
indicated?
−
YES Check for poor connections or loose
terminals at the ignition coils, the injectors, and the
ECM/PCM, then go to the troubleshooting for DTC
P0300, P0301, P0302, P0303, or P0304 (see page
11-113).
−
NO Go to step 49.
49. Monitor the OBD STATUS for DTC P0301, P0302,
P0303, or P0304 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
−
YES Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 48,
go to the indicated DTC's troubleshooting.
NO − If the screen indicates FAILED, check for poor
connections or loose terminals at the ignition coils,
the injectors, and the ECM/PCM, then go to step 1.
If the screen indicates EXECUTING, keep driving
until a result comes on. If the screen indicates OUT
OF CONDITION or NOT COMPLETED, go to step 47.
50. Reconnect all connectors.
51. Update the ECM/PCM if it does not have the latest
software (see page 11-231), or substitute a known-
good ECM/PCM (see page 11-7).
52. Test-drive the vehicle for several minutes in the
range of these recorded freeze data parameters:
• ENGINE SPEED
• VSS
• REL TP SENSOR
• CLV (calculated load value)
• APP SENSOR
11-122
53. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0301, P0302, P0303, or P0304
indicated?
YES − Check for poor connections or loose
terminals at the ignition coils, the injectors, and the
ECM/PCM. If the ECM/PCM was updated, substitute
a known-good ECM/PCM (see page 11-7), then go
to step 52. If the ECM/PCM was substituted, go to
step 1.
NO − Go to step 54.
54. Monitor the OBD STATUS for DTC P0301, P0302,
P0303, or P0304 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES − If the ECM/PCM was updated,
troubleshooting is complete. If the ECM/PCM was
substituted, replace the original ECM/PCM
(see page 11-232). If any other Temporary DTCs or
DTCs were indicated in step 53, go to the indicated
DTC's troubleshooting.
−
NO If the screen indicates FAILED, check for poor
connections or loose terminals at the ignition coils,
the injectors, and the ECM/PCM. If the ECM/PCM
was updated, substitute a known-good ECM/PCM
(see page 11-7), then go to step 52. If the ECM/PCM
was substituted, go to step 1. If the screen indicates
EXECUTING, keep driving until a result comes on. If
the screen indicates OUT OF CONDITION or NOT
COMPLETED, go to step 52.