Test A: Shift and Torque Converter Clutch Solenoids

SHIFT SOLENOIDS PRE-DIAGNOSIS
Use the following shift solenoid operation information when carrying out Pinpoint Test A.

Solenoid Operation Chart
a When a manual pull-in occurs above a calibrated speed the transmission will downshift from the higher gear until the vehicle speed drops below this calibrated speed.
EC = Electronically Controlled.
HD = Hydraulically Disabled.

Shift Solenoid Failure Mode Chart "Always Off"
Failed off due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck off.
* No engine braking.

Shift Solenoid Failure Mode Chart "Always On"
Failed on due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck on.
- No engine braking

PINPOINT TEST STEPS:

A1 - A2

A2 - A4

A5 - A6

A7 - A8

A8

Note: Read and record all DTCs. All Digital TR Sensor and VSS DTCs must be repaired before entering Output State Control (OSC).

Note: Refer to the Transmission Internal Harness illustration. Transmission Connector Layouts

Note: Refer to the Transmission Vehicle Harness Connector illustration. Transmission Connector Layouts