Typical Scan Tool Data
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
Input Speed Sensor (ISS) Signal
| Circuit | Normal Range | Short to Ground | Open/High Resistance | Short to Voltage |
|---|---|---|---|---|
| Operating Conditions: Engine running, normal operating temperature | ||||
| ISS Signal | 0-7,000 RPM | 0 RPM | 0 RPM | 0 RPM |
| ISS/OSS Supply Voltage | - | 0 RPM | 0 RPM | 0 RPM |
| 8.3-9.3 Volts = OK Any other voltage = Out of range |
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ISS/OSS Supply Voltage
| Circuit | Normal Range | Short to Ground | Open/High Resistance | Short to Voltage |
|---|---|---|---|---|
| Operating Conditions: Key ON, Engine OFF or engine running, normal operating temperature | ||||
| ISS Signal | OK | OK | OK | OK |
| ISS/OSS Supply Voltage | OK | Out of range | Out of range | Out of range |
| 8.3-9.3 Volts = OK Any other voltage = Out of range |
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