Acura CSX. Instruction — page 130

*01

03

YES

NO

11-194

PGM-FI System

ECM/PCM CONNECTOR A (44P)

JUMPER WIRE

CANL (RED)

CANL (RED)

GAUGE CONTROL MODULE (TACH) 36P CONNECTOR

15. Remove the jumper wire from ECM/PCM connector

A (44P).

16. Connect ECM/PCM connector terminal A37 to body

ground with a jumper wire.

17. Check for continuity between gauge control

module (tach) 36P connector terminal No. 19 and
body ground.

• With VSA system: Go to step 18.
• Without VSA system: Go to step 19.

Repair open in the wire between the ECM/

PCM (A37) and the gauge control module (tach).

Terminal side of female terminals

Wire side of female terminals

Is ther e continuity?

08/08/21 14:21:51 61SNR030_110_0194

05

08

YES

NO

YES

NO

11-195

CANL (RED)

VSA MODULATOR-CONTROL UNIT
37P CONNECTOR

EPS CONTROL UNIT CONNECTOR D (28P)

CANL (RED)

18. Check for continuity between VSA modulator-

control unit 37P connector terminal No. 1 and body
ground.

Go to step 19.

Repair open in the wire between the ECM/

PCM (A37) and the VSA modulator-control unit.

19. Check for continuity between EPS control unit

connector D (28P) terminal No. 15 and body ground.

Go to step 20.

Repair open in the wire between the ECM/

PCM (A37) and the EPS control unit.

Wire side of female terminals

Wire side of female terminals

Is ther e continuity?

Is ther e continuity?

08/08/21 14:21:51 61SNR030_110_0195

17

18

YES

NO

YES

NO

11-196

PGM-FI System

ECM/PCM CONNECTOR A (44P)

CANL (RED)

CANH (WHT)

ECM/PCM CONNECTOR A (44P)

CANL (RED)

CANH (WHT)

20. Remove the jumper wire from ECM/PCM connector

A (44P).

21. Reconnect the gauge control module (tach) 36P

connector.

22. Measure the resistance between ECM/PCM

connector terminals A36 and A37.

• With ABS: Go to step 23.
• With VSA system: Go to step 26.

Substitute a known-good gauge control

module (tach) (see page 22-277). If the HDS
identifies the vehicle, replace the original gauge
control module (tach) (see page 22-277).

23. Disconnect the gauge control module (tach) 36P

connector.

24. Reconnect the ABS modulator-control unit 25P

connector.

25. Measure the resistance between ECM/PCM

connector terminals A36 and A37.

Disconnect the ABS modulator-control unit

25P connector, then go to step 33.

Substitute a known-good ABS modulator-

control unit (see page 19-90). If the HDS identifies
the vehicle, replace the original ABS modulator-
control unit (see page 19-90).

26. Disconnect the gauge control module (tach) 36P

connector.

27. Reconnect the VSA modulator-control unit 37P

connector.

Terminal side of female terminals

Terminal side of female terminals

Is ther e about 108

132

?

Is ther e about 2.34

2.86 k

?

08/08/21 14:21:51 61SNR030_110_0196

19

20

YES

NO

YES

NO

11-197

ECM/PCM CONNECTOR A (44P)

CANL (RED)

CANH (WHT)

ECM/PCM CONNECTOR A (44P)

CANL (RED)

CANH (WHT)

28. Measure the resistance between ECM/PCM

connector terminals A36 and A37.

Go to step 29.

Substitute a known-good VSA modulator-

control unit (see page 19-171). If the HDS identifies
the vehicle, replace the original VSA modulator-
control unit (see page 19-171).

29. Disconnect the VSA modulator-control unit 37P

connector.

30. Reconnect the yaw rate-lateral acceleration sensor

5P connector.

31. Measure the resistance between ECM/PCM

connector terminals A36 and A37.

Go to step 32.

Substitute a known-good yaw rate-lateral

acceleration sensor (see page 19-169). If the HDS
identifies the vehicle, replace the original yaw rate-
lateral acceleration sensor (see page 19-169).

32. Disconnect the yaw rate-lateral acceleration sensor

5P connector.

33. Reconnect SRS unit connector A (28P).

Terminal side of female terminals

Terminal side of female terminals

Is ther e about 2.34

2.86 k

?

Is ther e about 2.34

2.86 k

?

08/08/21 14:21:52 61SNR030_110_0197

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