GEAR in Drive Mode

This OSC function is used to test the transmission shift functions.

The OSC functions for the GEAR parameter allow the technician to choose the following options:

• 1 - PCM selects 1st gear.
• 2 - PCM selects 2nd gear.
• 3 - PCM selects 3rd gear.
• 4 - PCM selects 4th gear.
• 5 - PCM selects 5th gear.

OSC "GEAR" mode operates ONLY when:

• VSS and digital TR sensor are operational.
• No VSS and digital TR sensor DTCs.
• Engine ON.
• TCC OFF (TCC cannot be engaged).
• Transmission range selector lever in (D).
• Vehicle speed is greater than 3 km/h (2 mph).

OSC Command Values:

• 1 - PCM selects 1st gear.
• 2 - PCM selects 2nd gear.
• 3 - PCM selects 3rd gear.
• 4 - PCM selects 4th gear.
• 5 - PCM selects 5th gear.
• XXX - Cancels OSC value sent.
• SEND - Sends the values to the PCM.