Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 911 (BODY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Scan Tool Data List
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Scan Tool Data List
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Data List
| Parameter | Unit |
|---|---|
| Accessory | |
| Battery 1 | Volts |
| Rear Defog Switch | On/Off |
| Rear Defog Relay Cmd. | On/Off |
| Rear Defog Relay Fdbk. | High/Low |
| Shifter Unlock Cmd. | On/Off |
| Shifter Unlock Fdbk. | High/Low |
| Afterblow Relay Cmd. | On/Off |
| Afterblow Relay Fdbk. | High/Low |
| Fuel Gauge Position | % of Full |
| Coolant Gauge Position | % of Gauge |
| A/C Sensor | Volts |
| Odometer | km/miles |
| Switch Inputs | |
| Battery 1 | Volts |
| Driver Door Switch | High/Low |
| Psgr. Door Switches | High/Low |
| Key In Ignition | Yes/No |
| Liftgate Ajar Switch | High/Low |
| Oil Life Reset Switch | High/Low |
| Park Brake Switch | High/Low |
| Low Coolant | Yes/No |
| Low Brake Fluid | Yes/No |
| A/C Request (Manual A/C) | Yes/No |
| Low Beam Input = Off | Yes/No |
| Low Beam Input = DRL | Yes/No |
| Low Beam Input = High | Yes/No |
| High Beam Switch | On/Off |
| Park Lamp Switch | On/Off |
| Lock Switch | On/Off |
| Unlock Switch | On/Off |
| Front Wiper Switch | On/Off |
| Rear Wiper Switch | On/Off |
| Rear Defog Switch | On/Off |
| Fog Lamp Switch | On/Off |
| Exterior Lamps | |
| Battery 1 | Volts |
| Low Beam Input | Volts |
| Low Beam Input = Off | Yes/No |
| Low Beam Input = DRL | Yes/No |
| Low Beam Input = High | Yes/No |
| High Beam Switch | On/Off |
| Park Lamp Switch | On/Off |
| DRL Relay Cmd. | On/Off |
| DRL Relay Fdbk. | High/Low |
| Fog Lamp Switch | On/Off |
| Fog Lamp Relay Cmd. | On/Off |
| Fog Lamp Relay Fdbk. | High/Low |
| Interior Lamps | |
| Battery 1 | Volts |
| Inadvertent Power Cmd. | On/Off |
| Inadvertent Power Fdbk. | High/Low |
| Dome Lamp Cmd. | On/Off |
| Dome Lamp Fdbk. | High/Low |
| Driver Door Switch | High/Low |
| Psgr. Door Switches | High/Low |
| Key In Ignition | Yes/No |
| I/P Dimmer Input | Volts |
| I/P Dimmer Output | % Duty Cycle |
| Door Locks | |
| Battery 1 | Volts |
| Driver Unlock Relay Cmd. | On/Off |
| Driver Unlock Relay Fdbk. | High/Low |
| Psgr. Unlock Relay Cmd. | On/Off |
| Psgr. Unlock Relay Fdbk. | High/Low |
| Lock All Relay Cmd. | On/Off |
| Lock All Relay Fdbk. | High/Low |
| Remote Lock Cmd. | Yes/No |
| Remote Unlock Cmd. | Yes/No |
| Remote Panic Cmd. | Yes/No |
| Remote Programmed | Yes/No |
| Lock Switch | On/Off |
| Unlock Switch | On/Off |
| Wiper/Washer | |
| Battery 1 | Volts |
| Wiper Delay Input | Volts |
| Wiper Delay 1 | Yes/No |
| Wiper Delay 2 | Yes/No |
| Wiper Delay 3 | Yes/No |
| Front Wiper Switch | On/Off |
| Front Wiper Relay Cmd. | On/Off |
| Front Wiper Relay Fdbk. | High/Low |
| Rear Wiper Switch | On/Off |
| Rear Wiper Relay Cmd. | On/Off |
| Rear Wiper Relay Fdbk. | High/Low |
| Front Washer Motor Input | On/Off |
| Rear Washer Motor Input | On/Off |
| Security Data | |
| Battery 1 | Volts |
| Ignition 1 Input | High/Low |
| Ignition 2 Input | High/Low |
| Passlock Input | Volts |
| Passlock Power Fdbk. | High/Low |
| Key Learned | Yes/No |
| Key Learn Enabled | Yes/No |
| Security LED | On/Off/Flash |
| Horn Relay Cmd. | On/Off |
| Horn Relay Fdbk. | High/Low |
| Passlock Timer | Seconds |
| Auto-Learn Timer | Seconds |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.