Speedometer Test: Millenia
- Remove instrument cluster. Connect output (SIG) terminal of New Generation Star (NGS) Scan Tool (49-T088-0A0) to terminal 2D (Blue/White wire) of instrument cluster connector. Reconnect instrument cluster connector.
- Turn ignition on. Connect Red wire of NGS scan tool to positive battery terminal and connect Black wire to ground. Using NGS scan tool, select DIGITAL MEASUREMENT SYSTEM, and then select SIGNAL SIMULATION. Set the following values:
- LOW LEVEL: 0V
- HIGH LEVEL: 6V
- DUTY CYCLE: 50%
- COUPLING: AC
- Using NGS scan tool, set FREQUENCY as specified. See SPEEDOMETER VARIATION SPECIFICATIONS (MILLENIA) table. Press START. Verify speedometer is within allowable range. If speedometer is not within allowable range, replace speedometer.
SPEEDOMETER VARIATION SPECIFICATIONS
| Frequency (Hz) | Allowable Range |
|---|---|
| 50 | 21-24 MPH |
| 100 | 43-47 MPH |
| 150 | 65-70 MPH |
| 200 | 88-93 MPH |
| 250 | 117-123 MPH |
| 300 | 133-139 MPH |