Acura 2002 RSX Service Manual page 606

Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P0715: A Problem in Mainshaft Speed
Sensor Circuit
NOTE; Record allfreeze data and review General
Troubleshooting Information (see page l4-3) before
you troubleshoot.
Code P0715 (15)doesn't always mean there,s an
electrical problem in the mainshaft or countershaft
speed sensor circuit; code P0715 (15) may also indicate
a m e c h a n i c a l p r o b l e m i n t h e t r a n s m i s s i o n . A n y
problem causing irregular countershaft-to-mainshaft
speed difference can cause this code.
1 . T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
2. Check whether the OBD ll scantool indicates the
code for the throttle position (Tp) sensor.
Does the OBD ll scan tool indicate the code for the
TP sensor?
YES - Perform the Troubleshooting Flowchart for
the TP sensor (see page 11-68). Recheck for code
P0715 after troubleshooting. I
NO Go to step 3.
3. Turn the ignition switch OFF.
14-74
Disconnect PCM connector A (31P).
Check for continuity between pCM connector
terminals A23 and body ground, and between A24
and body ground.
LG2 {BRN/YELI
Wire side of female terminals
ls thete continuity?
YES Go to step 6.
NO Repair open in the wires between pCM
connector terminals A23 and ground (G 101),
between A24 and ground (G 101). and repair poor
g r o u n d { G 1 0 1 ) . t
6. Connect PCM connector A {31p)
7. Disconnect the mainshaft speed sensor conneclor.
8. Turn the ignition switch ON (ll),
PCM CONNECTOR A 131PI