Automatic Transmission

DTC Troubleshooting (cont'd)

14-85  

  1. Shift to any position other than
  1. Measure the voltage between PCM connector terminals C13 and A23 or A24.

PCM CONNECTORS

Wire side of female terminals

Is there battery voltage?

YES - Go to step 12.

NO - Check for short in the wire between PCM connector terminal C13 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.

  1. Shift to any position other than
  2. Measure the voltage between PCM connector terminals C20 and A23 or A24.

PCM CONNECTORS

Wire side of female terminals

Is there about 5 V?

YES - 4-door model; Go to step 14.

5-door model; Go to step 16.

NO - Check for short in the wire between PCM connector terminal C20 and the transmission range switch. If the wire is OK, check for loose terminal fit in the PCM connectors. If necessary, substitute a known-good PCM and recheck.

  1. Shift to any position other than
  1. Measure the voltage between PCM connector terminals C9 and A23 or A24.

PCM CONNECTORS

Wire side of female terminals

Is there about 5 V?

YES - Go to step 16.

NO - Check for short in the wire between PCM connector terminal C9 and the transmission range switch. If the wire is OK, check for loose terminal fit in the PCM connectors. If necessary, substitute a known-good PCM and recheck.

  1. Shift to any position other than
  2. Measure the voltage between PCM connector terminals C11 and A23 or A24.

PCM CONNECTORS

Wire side of female terminals

Is there about 5 V?

YES - 7-position; Go to step 18.

6-position; Go to step 20.

NO - Check for short in the wire between PCM connector terminal C11 and the transmission range switch. If the wire is OK, check for loose terminal fit in the PCM connectors. If necessary, substitute a known-good PCM and recheck.