Craftsman CanOBD Diagnostic Tool Owner's Manual download pdf (Page 59)

Additional Functions

PERFORMING A SYSTEM VOLTAGE CHECK

Craftsman 87702 57

PERFORMING A SYSTEM VOLTAGE CHECK

The Diagnostic Tool can perform a check of the vehicle’s battery and

charging system to ensure the system is operating within acceptable

limits. You can perform a battery check only, or a charging system

(battery and alternator) check.

To perform a battery check ONLY:

1. With the Diagnostic Tool on the Code

Retrieval screen, press and release the

button.

 The Main Menu displays.

2. Use the DOWN

button to highlight

System Voltage Check, then press the

ENTER

button.

 A “One moment please” message displays, while the Diagnostic

Tool retrieves the requested information.

3. When the battery check is complete, a

results screen displays the current

Battery Voltage, and indicates whether

or not the voltage is within acceptable

limits. The System Status LEDs provide

a PASS/FAIL indication, as follows:

 Green = PASS

 Yellow = Caution/LOW

 Red = FAIL

4. Press the M

button to return to the Main Menu.

To perform a charging system check:

1. Start the engine.

2. With the Diagnostic Tool on the Code

Retrieval screen, press and release the

button.

 The Main Menu displays.

3. Use the DOWN

button to highlight

System Voltage Check, then press the

ENTER

button.

 A “One moment please” message

displays, while the Diagnostic Tool

retrieves the requested information.

4. When the battery check is complete, a

results screen displays the current

Battery Voltage.

5. Press the ENTER

button to perform the alternator check.

 An instructional screen displays.

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Craftsman CanOBD Diagnostic Tool Owner's Manual Page 59

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