P1885

DTC P1885: Problem in CVT Drive Pulley Speed Sensor Circuit

NOTE: Record all freeze data and review General Troubleshooting Information before you troubleshoot.

1. Turn the ignition switch OFF.
2. Disconnect CVT drive pulley speed sensor connector.
3. Turn the ignition switch ON (II).





4. Measure the voltage between CVT drive pulley speed sensor connector terminal No. 1 and body ground.
Is there about 5 V?
YES-Go to step
NO-Go to step 11.
5. Turn the ignition switch OFF.





6. Check for continuity between CVT drive pulley speed sensor connector terminal No. 2 and body ground.
Is there continuity?
YES-Repair short to ground in the wire between TCM connector terminal B10 and the CVT drive pulley speed sensor.
NO-Go to step 7.





7. Check for continuity between CVT drive pulley speed sensor connector terminal No. 3 and body ground.
Is there continuity?
YES-Go to step 8.
NO-Repair loose terminal or open in the wire between TCM connector terminal B17 and the CVT drive pulley speed sensors
8. Turn the ignition switch ON (II).





9. Measure the voltage between CVT drive pulley speed sensor connector terminals No. 2 and No. 3.
Is there about 5 V?
YES-Go to step 15.
NO-Go to step 10.





10. Measure the voltage between TCM connector terminals B10 and B17.
Is there about 5 V ?
YES-Repair open in the wire between TCM connector terminal B10 and the CVT drive pulley speed sensor.
NO-Check for loose terminal fit in the TCM connectors. If necessary, substitute a known-good TCM and rechecks





11. Measure the voltage between TCM connector terminals B17 and B22.
Is there 4.75 - 5.25 V ?
YES-Repair open in the wire between TCM connector terminal B22 and the CVT drive pulley speed sensor.
NO-Go to step 12.
12. Turn the ignition switch OFF.
13. Disconnect TCM connector B (22P).





14. Check for continuity between TCM connector terminal B22 and body ground.
Is there continuity?
YES-Repair short to ground in the wire between TCM connector terminal B22 and the CVT drive pulley speed sensor.
NOCheck for loose terminal fit in the TCM connectors. If necessary, substitute a known-good TCM and recheck.
15. Connect CVT drive pulley speed sensor connector.





16. Measure the voltage between TCM connector terminals B10 and B17.
Is there about O V or 5 V?
YES-Go to step 17.
NO-Replace the CVT drive pulley speed sensor.
17. Set the parking brake, and block both rear wheels securely.
18. Raise the front of the vehicle, and make sure it is securely supported.
19. Start the engine, then shift to the D position and drive the vehicle at engine idling.





20. Measure the voltage between TCM connector terminals B10 and B17.
Is there 1.5 - 3.5 V?
YES-Check for loose terminal fit in the TCM connectors. If necessary substitute a known-good TCM and recheck.
NO-Replace the CVT drive pulley speed sensor.