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Home >> Chevrolet >> 2005 >> Monte Carlo LS >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> Turn Signal Lamps and/or Indicators Inoperative

Turn Signal Lamps and/or Indicators Inoperative

Turn Signal Lamps and/or Indicators Inoperative

Step Action Yes No
Schematic Reference:  Exterior Lights Schematics  
Connector End View Reference: Master Electrical Component List in Wiring Systems
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
  1. Turn the ignition to the ON position.
  2. Place the turn signal switch to a turn left or a turn right position.
Do the turn signal lamps flash ON and OFF?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Disconnect the hazard switch.
  2. Connect a test lamp between the TURN SIGNAL Fuse battery positive voltage circuit and ground.
Does the test lamp illuminate?
Go to Step 4  Go to Step 7 
4
  1. Reconnect the hazard switch.
  2. At C201, connect a test lamp between the turn signal flasher supply circuit and ground.
Does the test lamp flash ON and OFF?
Go to Step 5  Go to Step 6 
5 At C201, connect a test lamp between the turn signal flasher supply circuit of the hazard switch and inoperative turn signal lamps supply voltage circuit.
Does the test lamp flash ON and OFF?
Go to Step 9  Go to Step 8 
6 Test for a high resistance or an open in the turn signal flasher supply circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11  Go to Step 10 
7 Repair a high resistance or an open in the TURN SIGNAL Fuse battery positive voltage circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 11  -
8 Repair a high resistance or an open in the turn signal lamps supply voltage circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 11  -
9 Replace the turn signal switch. Refer to Multifunction, Turn Signal Switch Replacement in Steering Wheel and Column.
Did you complete the replacement?
Go to Step 11  -
10 Replace the hazard switch. Refer to Hazard Warning Switch Replacement .
Did you complete the replacement?
Go to Step 11  -
11 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2