GR - CM In Drive Mode

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

The OSC functions for the GRAM parameter allows 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 "GR_CM" Mode Operates ONLY when:
- anti-lock brake speed sensor and digital TR sensor are operational.
- No anti-lock brake speed sensor and digital TR sensor DTCs.
- Engine "ON".
- TCC "OFF".
- Transmission range selector lever on O/D.
- Vehicle Speed is greater than 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.
- [OFF] - turns solenoid off.
- [ON] - turns solenoid on.
- [XXX] - cancels OSC value sent.
- [SEND] - sends the values to PCM.

DRIVE MODE Procedure for GR_CM
Follow operating instructions from the NGS menu screen.
- Select "Output State Control."
- Select "Trans - DRIVE MODE.'
- Select "PIDs" to be monitored.
- Monitor all selected PIDs during test.
- Select "Parameters - GR_CM."
- Select Value "1-5."
- Press "SEND" to send command.
- Re-Select Value "1-5."
- Press "SEND" to send command.
- Select "XXX" to cancel at any time.
- Press "SEND."