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Diagnostic Aids

WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.

The daytime running lamp (DRL) system will not work if the parking brake is applied. The system is designed to work only when the engine is running and the parking brake is released. If the parking brake circuit is shorted to ground or the switch stays closed when the engine is running, the DRL system will not work.

Step Action Values Yes No
1 Turn ON the headlamps with the headlamp switch.
Do the headlamps work?		 - Go to Step 3  Go to Step 2 
2 Repair the regular headlamp system before completing this diagnostic table.
Does the daytime running lamp (DRL) system work after the headlamps have been repaired?		 - System OK Go to Step 3 
3 Test fuse EF19.
Is fuse EF19 open?		 - Go to Step 4  Go to Step 5 
4
  1. Test for a short circuit and repair if necessary.
  2. Replace fuse EF19.
Is the repair complete?		 - System OK -
5
  1. Turn ON the ignition, with the engine OFF.
  2. Measure the voltage at fuse EF19.
Does the voltage equal the specified value?		 11-14 V Go to Step 7  Go to Step 6 
6 Repair the power supply circuit for fuse EF19.
Is the repair complete?		 - System OK -
7
  1. Disconnect the electrical connector from the DRL module.
  2. Turn ON the ignition, with the engine OFF.
  3. Measure fuse EF19 voltage feed to the DRL module terminal.
Is the voltage equal to the specified value?		 11-14 V Go to Step 9  Go to Step 8 
8 Repair the open circuit between fuse EF19 and the terminal of the DRL module connector.
Is the repair complete?		 - System OK -
9 With the DRL module still disconnected, use an ohmmeter to measure the resistance between ground and terminal E of the DRL module connector.
Does the ohmmeter indicate continuity?		 - Go to Step 11  Go to Step 10 
10 Repair the circuit between ground and the terminal of the DRL module connector.
Is the repair complete?		 - System OK -
11
  1. Parking brake released.
  2. Turn on the ignition, with the engine OFF.
  3. Observe the parking brake indicator lamp.
Is the parking brake indicator lamp ON?		 - Go to Step 12  Go to Step 15 
12 Disconnect the electrical connector to the parking brake lever switch.
Is the parking brake indicator lamp still ON?		 - Go to Step 13  Go to Step 14 
13 Repair the short to ground in the parking brake circuit.
Is the repair complete?		 - System OK -
14 Replace the parking brake lever switch.
Is the repair complete?		 - System OK -
15
  1. Make sure the headlamps are turned OFF.
  2. Turn ON the ignition, with the DRL module disconnected.
  3. Measure fuse F4 voltage at the DRL module connector terminal.
Is the voltage equal to the specified value?		 11-14 V Go to Step 17  Go to Step 16 
16 Repair the open between fuse F4 and the terminal of the DRL module connector.
Is the repair complete?		 - System OK -
17 Replace the DRL module. Refer to Daytime Running Lights (DRL) Control Module Replacement .
Is the repair complete?		 - System OK -
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