Acura 2002 RSX Service Manual page 622

Automatic Tra nsm ission
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DTC Troubleshooting (contdl
DT-C P0758: Problem in Shift Solenoid Valve
B Circuit
NOTE:
. Record all freeze data and review General
Troubleshooting Information (see page 14_3) before
you troubleshoot.
. This code is caused by an electrical
circuit problem
and cannot be caused by a mechanical problem in the
transmission.
1. Turn the ignition switch OFF.
2. Disconnect PCN4 connectors A (31p) and C l22pl.
3. Turn the ignition switch ON { ).
4. Measure the voltage between pCM connector
terminals C4 and A2g or A24.
PCM CONNECTORS
Wire side of female terminals
ts there voltage?
YES - Repair short to power in the wire between
PCM connector terminal C4 and the shift solenoid
v a l v e B . I
NO Go to step 5.
Turn the ignition switch OFF.
Disconnect the shift solenoid harness connector at
the transmission housing.
5 .
6 .
{BRN/YELI
14-90
7 . Check for continuity between pCM connecror
terminals C4 and A23 or A24.
PCM CONNECTORS
Wire side of female terminals
ls there continuity?
YES Repair shon to ground in the wire between
PCM connector terminal C4 and the shift solenoid
narness connector.l
NO-Go to step 8.
Connect the shift solenoid harness connector.
Measure the resistance between pCM connector
terminals C4 and A23 or A24.
PCM CONNECTORS
(BRN/YELI
Wire side of female terminals
ls there 12 25 e ?
YES-Update the PCM if it does not have the tatest
soflware, 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 . I
NO Go to step 10.
8.
9 .