Honda Accord 2008 Manual page 326

07/11/02 08:59:59 61TA0000_110_0007
Substituting the ECM/PCM
Special Tools Required
• Honda diagnostic system (HDS) tablet tester
• Honda interface module (HIM) and an iN workstation
with HDS and CM update software
• HDS pocket tester
• GNA600 and an iN workstation with HDS and CM
update software
Use any one of these update tools.
NOTE: Use this procedure when you have to substitute
a known-good ECM/PCM during troubleshooting
procedure.
1. Connect the HDS to the data link connector (DLC)
(A) located under the driver's side of the dashboard.
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2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the ECM/
PCM and other vehicle systems. If it doesn't, go to
the DLC circuit troubleshooting (see page 11-208). If
you are returning from DLC circuit troubleshooting,
skip steps 5 and 6, and the clean the throttle body
after substituting the ECM/PCM (see page 11-385).
4. Select the INSPECTION MENU with the HDS.
5. Select the ETCS TEST, then select the TP POSITION
CHECK, and follow the screen prompts.
NOTE: If the TP POSITION CHECK indicates FAILED,
continue this procedure.
A
6. Turn the ignition switch to LOCK (0).
7. Do the battery removal procedure (see page 22-90).
8. Remove the bolts (D).
C
B
A
9. Disconnect ECM/PCM connectors A, B, and C, then
remove the ECM/PCM assembly (E).
NOTE: ECM/PCM connectors A, B, and C have
□ △ ○
symbols (A= , B= , C= ) embossed on them for
identification.
10. Remove the cover (A) and the bracket (B) from the
ECM/PCM (C).
C
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
11. Install a known-good ECM/PCM in the reverse
order of removal.
D
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
E
A
B
(cont'd)
11-7
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