Acura 2002 RSX Service Manual page 608

Automatic Transmission
1 5 .
1 6 .
DTC Troubleshooting (cont'dl
Connect the mainshaft speed sensor connector.
Measure the voltage between PCM connector
terminals C7 and A23 ot A24.
PCM CONNECTORS
Wire side of female terminats
ls the voltage 0 V or about 5 V?
YES Go to step 17.
NO - Replace the mainshaft speed sensor.l
Shift to E position, Start the engine, and let it idle.
With engine idling, measure the voltage between
PCM connector terminals C7 and A23 or A24.
PCM CONNECTORS
Wire side of female terminals
Is there 1.5 V 3.5 V?
YES Update the PCM if it does not have the latest
software or substitute a known-good PCM. then
recheck (see page '14-7). lf the symptom/indication
goes away with a known-good PCM, replace the
o r i g i n a l P C M . t
NO Replace the mainshaft speed sensor. t
1 7 .
1 8 .
{BRN/YEL)
(BRN/YEL)
14-76
19. Measure the voltage between PCM connector
terminal A20 and A23 ot A24.
Is there 4.75 V 5.25 V?
YES Repair open in the wire between PCM
connector terminal A20 and the mainshaft speed
sensor conneclor.l
NO Go to step 20.
Turn the ignition switch OFF.
Disconnect PCM connector A (31P).
20.
PCM CONNECTOR A (31PI
Wire side of {emale terminals