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*NO MANUAL AUTOSTICK OPERATION —
TEST
4
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the AutoStick Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the Downshift Sense circuit between the Pinout Box and
the AutoStick Switch harness connector.
Is the resistance above 5.0 ohms?
Yes → Repair the AutoStick Downshift Sense circuit for an open.
→ Go To 5
No
5
Ignition on, engine not running.
With the DRBIII monitor the AutoStick Switch status.
Firmly apply the brake and shift into AutoStick .
Push the shift lever to the right several times to actuate the AutoStick Upshift
Switch and then to the left several times to actuate the AutoStick Downshift Switch.
Do both AutoStick Upshift and Downshift Switch states toggle?
Yes → Test Complete.
→ Replace the Powertrain Control Module per the Service Informa-
No
ACTION
tion. WITH THE DRBIII
REPROGRAM PINION FACTOR.
TRANSMISSION - NGC
Continued
PERFORM QUICK LEARN AND
157
APPLICABILITY
All
All
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