Acura TSX / Honda Accord CL. Manual — part 523

Fig. 24: Measuring Resistance Between APP Sensor 6P Connector Terminals No. 4 And No. 6

Is there about 0.35-0.45 kohm?

YES - Go to step 9.

NO - Go to step 16.

9. At the sensor side, measure resistance between APP sensor 6P connector terminals No. 4 and No. 5 with

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

the throttle fully closed.

Fig. 25: Measuring Resistance Between APP Sensor 6P Connector Terminals No. 4 And No. 5

Is there about 2.7-3.3 kohm?

YES - Go to step 10.

NO - Go to step 16.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

10. Jump the SCS line with the HDS.

11. Disconnect ECM/PCM connector A (31P).

12. At the wire harness side, check for continuity between APP sensor 6P connector terminal No. 4 and body

ground.

Fig. 26: Checking For Continuity Between APP Sensor 6P Connector Terminal No. 4 And Body
Ground

Is there continuity?

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

YES - Repair short in the wire between APP sensor A and ECM/PCM (A26), then go to step 17.

NO - Go to step 13.

13. Connect ECM/PCM connector terminal A26 to body ground with a jumper wire.

Fig. 27: Connecting ECM/PCM Connector Terminal A26 To Body Ground With A Jumper Wire

14. At the wire harness side, check for continuity between APP sensor 6P connector terminal No. 4 and body

ground.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX