Was the Starter System Check performed?

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Go to Step 2

Refer to Starting System Check .

1. Disconnect the generator connector C2.
2. Turn the ignition switch to the ON position.
3. Use the DMM to measure the voltage between the generator connector C2 and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 4

Go to Step 3

1. Locate an open or a high resistance in circuit PM1.
2. Repair the open or the high resistance in circuit PM1.

Is the repair complete?

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Go to Step 9

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1. Disconnect generator connector C1.
2. Use the DMM to measure the voltage between the generator connector C1 and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 6

Go to Step 5

1. Locate an open or a high resistance in circuits A100 and/or A400.
2. Repair the open or the high resistance in circuits A100 and/or A400.

Is the repair complete?

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Go to Step 6

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1. Reconnect the generator connector.
2. Turn OFF all the accessories.
3. Run the engine at fast idle.
4. Use the DMM to measure the voltage between the positive and the negative terminals of the battery.

Is the measured voltage within the specified value?

12.5-14.5V

Go to Step 8

Go to Step 7

Repair or replace the generator. Refer to Generator Replacement in Engine Electrical.

Is the repair or replacement complete?

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Go to Step 9

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1. Load test the generator. Refer to Generator Assembly Bench Check in Engine Electrical.
2. Replace the battery if the generator passed the load test. Refer to Battery Replacement in Engine Electrical.

Is the replacement complete?

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Go to Step 9

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1. Connect all of the connectors and components that were disconnected.
2. Verify that the generator operates properly.

Does the generator operate properly?

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System OK

Go to Step 1