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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 810 (BATTERY)DIAGNOSTIC INFORMATION AND PROCEDURESCHARGING SYSTEM TESTTOOLS REQUIRED
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Tools Required

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Tools Required
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.

SA9154Z-A  Starting and Charging System Tester. See Special Tools .

Charging System Test

Step Action Value(s) Yes No
1 Did you perform the Diagnostic System Check for Engine Electrical? - Go to Step 2  Go to Diagnostic System Check - Engine Electrical 
2 Start the engine, observe the charge indicator on the instrument panel cluster (IPC) or message in the driver information center (DIC).
Does the charge indicator illuminate or the DIC display a charging system message?		 - Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Turn OFF the ignition.
  2. Connect the red lead of the SA9154Z-A  to the battery positive terminal. See Special Tools .
  3. Connect the grey lead of the SA9154Z-A  to the output circuit of the generator. See Special Tools .
  4. Start the engine.
  5. Turn On the SA9154Z-A  . See Special Tools .
  6. Turn Off all vehicle accessories Off.
  7. Follow the SA9154Z-A  prompts. See Special Tools .
  8. Press CHARGING SYSTEM TEST.
Is the voltage displayed within the specified value?		 13.0 V - 15.5 V Go to Step 4  Go to Step 5 
4 - Go to Step 6  Go to Step 5 
5 Replace the generator.
Did you complete the replacement?		 - Go to Step 6  -
6 Operate the vehicle in order to verify the repair.
Did you correct the condition?		 - Generator OK Go to Step 2 
RENDER: 1.0x

NO RELATED

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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.