Automatic Transmission
DTC Troubleshooting (cont'd)
14. Shift to any position other than 2.
15. Measure the voltage between PCM connector
terminals C12 and A25 or A26.
PCM CONNECTORS
A (31P)
LG1 (BRN/BLK)
LG2 (BRN/BLK)
Wire side of female terminals
Is there battery voltage?
YES
Go to step 16.
NO
Check for a short in the wire between PCM
connector terminal C12 and the transmission range
switch or A/T gear position indicator. If the wire is
OK, check for loose terminal fit in the PCM
connectors. If necessary, substitute a known-good
PCM and recheck.
14-110
C (22P)
ATP 2 (BLU)
16. Shift to any position other than 1.
17. Measure the voltage between PCM connector
terminals C20 and A25 or A26.
PCM CONNECTORS
A (31P)
LG1 (BRN/BLK)
LG2 (BRN/BLK)
Wire side of female terminals
Is there battery voltage?
YES
Check for loose terminal fit in the PCM
connectors. If necessary, substitute a known-good
PCM and recheck.
NO
Check for a short in the wire between PCM
connector terminal C20 and the transmission range
switch or A/T gear position indicator. If the wire is
OK, check for loose terminal fit in the PCM
connectors. If necessary, substitute a known-good
PCM and recheck.
C (22P)
ATP 1 (BRN)