Acura TSX / Honda Accord CL. Manual — part 617

Fig. 94: Checking For Continuity Between ECM/PCM Connector Terminals E11, E24 &
Body Ground

13. Check for continuity between ECM/PCM connector terminals E11 and E24.

Is there continuity?

YES: Repair short in the wire between the ECM/PCM E11 (CANH line) and E24 (CANL
line), then go to step 17 .

NO: Go to step 14.

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 95: Checking For Continuity Between ECM/PCM Connector Terminals E11 & E24

14. Check for continuity between ECM/PCM connector terminal E11 and the connector terminals shown in

the table. See Fig. 96 .

Is there continuity between the ECM/PCM terminal and each of the terminals in the chart?

YES: Go to step 15.

NO: Repair open in the wire between the ECM/PCM and the appropriate connector, then go
to step 17 .

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 96: ECM/PCM Connector Terminal E11 Continuity Table

15. Check for continuity between ECM/PCM connector terminal E24 and the connector terminals shown in

the table. See Fig. 97 .

Is there continuity between the ECM/PCM terminal and each of the terminals in the chart?

YES: Go to step 16.

NO: Repair open in the wire between the ECM/PCM and the appropriate connector, then go
to step 17 .

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 97: ECM/PCM Connector Terminal E24 Continuity Table

16. Refer to the following chart. See Fig. 98 . Select the row that most closely represents the combination of

DTCs retrieved from the PGM-FI, VSA, and Body Electrical systems: Check connections at the control
module indicated in the last column. If all connections are OK, substitute a known-good control module,
then go to step 17 and recheck.

Are the DTCs still indicated?

YES: Substitute the remaining control modules, one at time, until the DTCs are no longer
present, then replace that control module. After replacing the faulty control module, go to
step 17.

NO: Replace the faulty control module, then go to step 17.

Fig. 98: Control Module DTC Symptom Table

17. Reconnect all the connectors.

18. Turn the ignition switch ON (II).

19. Reset the ECM/PCM with the HDS.

20. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).

21. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Are any Temporary DTCs or DTCs indicated?

YES: If DTC U0073 and/or U0155 is indicated, check for poor connections or loose
terminals at the gauge assembly, VSA control unit, navigation unit, and the ECM/PCM, then
go to the indicated DTC troubleshooting.

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX