Honda Accord 2008 Manual page 525

07/11/02 09:10:56 61TA0000_110_0206
PGM-FI System
F-CAN Circuit Troubleshooting (cont'd)
58. Turn the ignition switch to LOCK (0).
59. Reconnect SRS unit connector A (28P).
60. Disconnect the TPMS control unit 20P connector.
61. Turn the ignition switch to ON (II), and read the
HDS.
Does the HDS identif y the vehicle?
YES − Replace the TPMS control unit (see page
18-85).
−
NO
• With navigation system: Go to step 62.
• Without navigation system: 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), then recheck. If the
HDS identifies the vehicle with a known-good
ECM/PCM, replace the original ECM/PCM
(see page 11-232).
62. Turn the ignition switch to LOCK (0).
63. Reconnect the TPMS control unit 20P connector.
64. Disconnect navigation unit connector A (32P).
65. Turn the ignition switch to ON (II), and read the
HDS.
Does the HDS identif y the vehicle?
YES − Replace the navigation unit (see page 23-240).
−
NO 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), then
recheck. If the HDS identifies the vehicle with a
known-good ECM/PCM, replace the original ECM/
PCM (see page 11-232).
11-206