Turn Signal Lamps and/or Indicators Inoperative Domestic
Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||||||||
1 | Did you review the Exterior Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |||||||
2 |
Do the turn signal lamps and indicators operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 | Are all of the turn signals and indicators inoperative? | Go to Step 4 | Go to Step 5 | ||||||
4 |
Do the hazard lamps operate? | Go to Step 6 | Go to Hazard Lamps Inoperative | ||||||
5 | Are only the turn signal indicators inoperative? | Go to Step 7 | Go to Step 9 | ||||||
6 | Using a test lamp connected to ground, backprobe the ignition 1 voltage circuit of the C201 connector that is fed by the T/SIG fuse. Does the test lamp illuminate? | Go to Step 27 | Go to Step 20 | ||||||
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 34 | ||||||
8 | Probe the ground circuit of the instrument panel cluster connector with a test lamp that is connected to battery voltage. Does the test lamp illuminate? | Go to Step 25 | Go to Step 33 | ||||||
9 | Determine which of the following lamps are inoperative:
Is a front turn signal lamp inoperative? | Go to Step 16 | Go to Step 10 | ||||||
10 | Is a rear turn signal lamp inoperative? | Go to Step 13 | Go to Step 11 | ||||||
11 |
Does the test lamp illuminate? | Go to Step 24 | Go to Step 12 | ||||||
12 |
Does the test lamp illuminate? | Go to Step 31 | Go to Step 32 | ||||||
13 |
Does the test lamp illuminate? | Go to Step 23 | Go to Step 14 | ||||||
14 |
Does the test lamp illuminate? | Go to Step 15 | Go to Step 22 | ||||||
15 | With a test lamp that is connected to ground, probe between the turn signal supply voltage circuit and the ground circuit of the tail lamp connector. Does the test lamp illuminate? | Go to Step 24 | Go to Step 30 | ||||||
16 |
Does the test lamp illuminate? | Go to Step 17 | Go to Step 18 | ||||||
17 | Probe between the supply voltage circuit and the ground circuit of the inoperative front turn signal lamp with a test lamp. Does the test lamp illuminate? | Go to Step 23 | Go to Step 29 | ||||||
18 |
Does the test lamp illuminate? | Go to Step 19 | Go to Step 21 | ||||||
19 |
Does the test lamp illuminate? | Go to Step 26 | Go to Step 28 | ||||||
20 | Test for an open or high resistance in the ignition 1 supply voltage circuit of the turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 35 | ||||||
21 | Test for an open or high resistance in the turn signal switch signal circuit of the Daytime Running Lamps (DRL) control module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 27 | ||||||
22 | Test for an open or high resistance in the turn signal supply voltage circuit of the inoperative rear turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 27 | ||||||
23 | Inspect for poor connections at the inoperative turn signal lamp bulb socket. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 39 | ||||||
24 | Inspect for poor connections at the harness connector of the tail lamp or mirror turn signal. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 38 | ||||||
25 | Inspect for poor connections at the harness connector of the instrument panel cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 40 | ||||||
26 | Inspect for poor connections at the harness connector of the daytime running lamps control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 36 | ||||||
27 | Inspect for poor connections at the harness connector of the turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 41 | Go to Step 37 | ||||||
28 | Repair an open or high resistance in the supply voltage circuit of the front turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
29 | Repair an open or high resistance in the ground circuit of the front turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
30 | Repair an open or high resistance in the ground circuit of the tail lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
31 | Repair an open or high resistance in the ground circuit of the inoperative mirror turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
32 | Repair an open or high resistance in the turn signal supply voltage circuit of the inoperative mirror turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
33 | Repair an open or high resistance in the ground circuit of the inoperative turn signal indicator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
34 | Repair an open or high resistance in the supply voltage circuit of the inoperative turn signal indicator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
35 | Repair the short to ground in the ignition 1 supply voltage circuit of the turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 41 | -- | ||||||
36 | Replace the Daytime Running Lamps (DRL) control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Did you complete the repair? | Go to Step 41 | |||||||
37 | Replace the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle . Did you complete the repair? | Go to Step 41 | -- | ||||||
38 | Replace the inoperative turnlamp. Refer to the appropriate procedure: Did you complete the repair? | Go to Step 41 | -- | ||||||
39 | Replace the inoperative turn signal bulb. Did you complete the repair? | Go to Step 41 | -- | ||||||
40 | Replace the Instrument Cluster Panel (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the repair? | Go to Step 41 | -- | ||||||
41 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 | ||||||
Turn Signal Lamps and/or Indicators Inoperative Export
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you review the Exterior Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Do the turn signal lamps and indicators operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all of the turn signals and indicators inoperative? | Go to Step 5 | Go to Step 4 |
4 | Are only the turn signal indicators inoperative? | Go to Step 7 | Go to Step 9 |
5 |
Do the hazard lamps operate? | Go to Step 6 | Go to Hazard Lamps Inoperative |
6 | Using a test lamp connected to ground, backprobe the ignition 1 voltage circuit of the C201 connector that is fed by the T/SIG fuse. Does the test lamp illuminate? | Go to Step 15 | Go to Step 16 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 25 |
8 | Probe the ground circuit of the instrument panel cluster connector with a test lamp that is connected to battery voltage. Does the test lamp illuminate? | Go to Step 20 | Go to Step 24 |
9 | Is a rear turn signal lamp inoperative? | Go to Step 10 | Go to Step 13 |
10 |
Does the test lamp illuminate? | Go to Step 18 | Go to Step 11 |
11 |
Does the test lamp illuminate? | Go to Step 12 | Go to Step 17 |
12 |
Does the test lamp illuminate? | Go to Step 19 | Go to Step 23 |
13 |
Does the test lamp illuminate? | Go to Step 14 | Go to Step 15 |
14 |
Does the test lamp illuminate? | Go to Step 18 | Go to Step 22 |
15 | Test for an open or high resistance in the supply voltage circuit of the inoperative turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 27 |
16 | Test for an open or high resistance in the ignition 1 supply voltage circuit of the turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 26 |
17 | Test for an open or high resistance in the turn signal supply voltage circuit of the inoperative rear turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 27 |
18 | Inspect for poor connections at the inoperative turn signal lamp bulb socket. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 29 |
19 | Inspect for poor connections at the harness connector of the tail lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 28 |
20 | Inspect for poor connections at the harness connector of the instrument panel cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 30 |
21 | Inspect for poor connections at the harness connector of the turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 31 | Go to Step 27 |
22 | Repair an open or high resistance in the ground circuit of the inoperative turn signal. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 31 | -- |
23 | Repair an open or high resistance in the ground circuit of the tail lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 31 | -- |
24 | Repair an open or high resistance in the ground circuit of the inoperative turn signal indicator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 31 | -- |
25 | Repair an open or high resistance in the supply voltage circuit of the inoperative turn signal indicator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 31 | -- |
26 | Repair the short to ground in one of the ignition 1 supply voltage circuit of the turn signal switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 31 | -- |
27 | Replace the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle . Did you complete the repair? | Go to Step 31 | -- |
28 | Replace the inoperative rear tail lamp assembly. Refer to Tail Lamp Replacement . Did you complete the repair? | Go to Step 31 | -- |
29 | Replace the inoperative turn signal lamp bulb. Did you complete the repair? | Go to Step 31 | -- |
30 | Replace the Instrument Cluster Panel (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the repair? | Go to Step 31 | -- |
31 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
