1. Turn on the headlamps and the dome lamp.
2. Turn the key to START.

Do the lamps stay bright during attempted cranking?

--

Go to Step 16

Go to Step 2

1. Remove the battery terminals from the battery and verify that the connections are clean and tight.
2. Reconnect the terminals.
3. Turn on the headlamps and the dome lamp.

Do the lamps stay bright during attempted cranking?

--

Go to Step 16

Go to Step 3

If the battery is original equipment, check the state-of-charge indicator. (If an aftermarket battery has been substituted, use a voltmeter in order to determine the state-of-charge).

Is the green indicator dot showing (or battery voltage indicated as adequate)?

--

Go to Step 5

Go to Step 4

1. Test the battery and electrical systems.
2. Check for battery drain. Refer to Battery Load Testing and Battery Electrical Drain/Parasitic Load.

Is the action complete?

--

System OK

--

1. Attach a voltmeter to the battery posts.
2. Measure the battery voltage during cranking.

Is the voltage greater than the specified value?

9.6V

Go to Step 9

Go to Step 6

1. Test the battery.
2. Test the starter relay.

Are the battery and starter relay OK?

--

Go to Step 8

Go to Step 7

Replace the battery or the starter relay.

Is the repair complete?

--

System OK

--

Repair or replace the starter.

Is the repair complete?

--

System OK

--

1. Connect a voltmeter to measure the voltage between the engine and the battery negative post (voltmeter positive lead on the engine block).
2. Turn the key to START and observe the voltage.

Does the voltmeter read more than the specified voltage during attempted cranking?

0.5V

Go to Step 10

Go to Step 12

1. Clean and tighten the ground cable connections.
2. Connect the voltmeter to measure the voltage between the engine and the battery negative post (voltmeter positive lead on the engine block).
3. Turn the key to START and observe the voltage.

Does the voltmeter read more than the specified voltage during attempted cranking?

0.5V

Go to Step 11

Go to Step 4

Replace the battery ground cable.

Is the repair complete?

--

System OK

--

1. Connect a voltmeter to measure voltage at starter terminal B.
2. Turn the key to START and observe the voltage.

Does the voltmeter indicate more than the specified voltage?

9V

Go to Step 8

Go to Step 13

1. Clean and tighten the positive battery cable connection.
2. Connect the voltmeter to measure the voltage between the engine and the battery negative post (voltmeter positive lead on the engine block).
3. Turn the key to START and observe the voltage.

Does the voltmeter indicate less than the specified value?

9V

Go to Step 14

Go to Step 8

Replace the positive battery cable.

Is the repair complete?

--

System OK

--

1. Disconnect the solenoid connection at the starter.
2. Connect a voltmeter to measure the voltage at the solenoid wire.
3. Turn the key to START while observing the voltmeter.

Does the voltmeter measure battery voltage?

--

Go to Step 16

Go to Step 19

1. With the solenoid wire disconnected, connect a voltmeter between the solenoid wire and the starter mounting bolts.
2. Observe the voltmeter when the key is in START.

Does the voltmeter indicate battery voltage?

--

Go to Step 8

Go to Step 17

Clean the starter motor mounting bolts and the starter mounting surface in order to assure a good ground connection.

Is the action complete?

--

System OK

--

With the starter solenoid wire still disconnected, check the voltage at the ignition switch solenoid terminal with the key in START.

Is the voltage equal to the specified value?

B+

Go to Step 19

Go to Step 20

Repair the starter control circuit from the ignition switch to the starter solenoid.

Is the repair complete?

--

System OK

--

Check the ignition switch and its power supply circuit (fusible link, bulkhead connector, etc.) and the starter relay.

Is the action complete?

--

System OK

--