Did you perform the Diagnostic System Check - Vehicle?

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Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Start the engine.
2. 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?

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Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

1. Turn OFF the ignition.
2. Connect the red lead of the SA9154Z-A Starting and Charging System Tester to the battery positive terminal
3. Connect the grey lead of the SA9154Z-A to the output circuit of the generator.
4. Start the engine.
5. Turn ON the SA9154Z-A .
6. Turn OFF all vehicle accessories.
7. Follow the SA9154Z-A prompts.
8. Press CHARGING SYSTEM TEST.

Is the voltage displayed within the specified range?

13-15.5 V

Go to Step 4

Go to Step 5

Is the generator output current greater than or equal to the load test value given in Generator Usage ?

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Go to Step 6

Go to Step 5

Replace the generator. Refer to Generator Replacement .

Did you complete the replacement?

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Go to Step 6

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Operate the vehicle in order to verify the repair.

Did you correct the condition?

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Generator OK

Go to Step 2