GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 Wave HB 🢒 Body Systems 🢒 Lighting 🢒 Hazard Lamps Inoperative

Hazard Lamps Inoperative Hatchback

Step

Action

Values

Yes

No

1

Test fuse F14.

Is fuse F14 open?

--

Go to Step 2

Go to Step 3

2
  1. Test for a short circuit and repair, if necessary.
  2. Replace the fuse.

Is the repair complete?

--

System OK

--

3

Use a voltmeter to check for power to fuse F14.

Does the battery voltage available at fuse F14 equal the value specified?

11-14 V

Go to Step 5

Go to Step 4

4

Repair the power supply circuit to fuse F14.

Is the repair complete?

--

System OK

--

5
  1. Disconnect the hazard switch connector.
  2. Use a voltmeter to measure power to the hazard switch terminal 8.

Does the battery voltage available at connector terminal 8 equal the value specified?

11-14 V

Go to Step 6

Go to Step 9

6
  1. Remove the hazard switch and disconnect it for testing.
  2. Turn ON the hazard switch.
  3. Test with an ohmmeter between terminals 7 and 8.

Does the ohmmeter indicate continuity?

--

Go to Step 7

Go to Step 9

7
  1. With the hazard switch still removed and disconnected for testing, turn ON the hazard switch.
  2. Use an ohmmeter to check between terminals 5, 6, and 9.

Does the ohmmeter indicate continuity?

--

Go to Step 8

Go to Step 9

8

Repair the open circuit between the hazard switch connector terminal 8 and fuse F14.

Is the repair complete?

--

System OK

--

9

Replace the faulty hazard switch. Refer to Hazard Warning Switch Replacement .

Is the repair complete?

--

System OK

--

Hazard Lamps Inoperative Notchback

Step

Action

Values

Yes

No

1

Check fuse Ef15.

Is fuse Ef15 blown?

--

Go to Step 2

Go to Step 3

2
  1. Check for a short circuit and repair it, if necessary.
  2. Replace the fuse.

Is the repair complete?

--

System OK

--

3

Use a voltmeter to check for power to fuse Ef15.

Does the battery voltage available at fuse Ef15 equal the value specified?

11-14V

Go to Step 5

Go to Step 4

4

Repair the power supply circuit to fuse Ef15.

Is the repair complete?

--

System OK

--

5
  1. Disconnect the hazard switch connector.
  2. Use a voltmeter to check power to the hazard switch terminal 8.

Does the battery voltage available at connector terminal 8 equal the value specified?

11-14V

Go to Step 6

Go to Step 9

6
  1. Remove the hazard switch and disconnect it for testing.
  2. Turn the hazard switch on.
  3. Test with an ohmmeter between terminals 7 and 8.

Is the resistance within the specified value?

<1.0 ohms

Go to Step 7

Go to Step 9

7
  1. With the hazard switch still removed and disconnected for testing, turn the hazard switch on.
  2. Use an ohmmeter to check between terminals 5, 6, and 9.

Is the resistance within the specified value?

<1.0 ohms

Go to Step 8

Go to Step 9

8

Repair the open circuit between the hazard switch connector terminal 8 and fuse Ef15.

Is the repair complete?

--

System OK

--

9

Replace the faulty hazard switch.

Is the repair complete?

--

System OK

--