PINPOINT TEST R : One Turn Signal Lamp Is Inoperative Or Always On: Notes
Diagnostic Overview
One Turn Signal Lamp Is Inoperative Or Always On
Refer to Turn Signal/Stop/Hazard Lamps for schematic and connector information.
Normal Operation and Fault Conditions
Refer to Turn Signal and Hazard Lamps , Turn Signals.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B123A:11 B123B:11 B1247:11 B1248:11 B1C98:11 B1C99:11 |
Left Front Turn Indicator: Circuit Short To Ground Right Front Turn Indicator: Circuit Short To Ground Left Rear Turn Indicator: Circuit Short To Ground Right Rear Turn Indicator: Circuit Short To Ground Left Corner Lamp Circuit: Circuit Short To Ground Right Corner Lamp Circuit: Circuit Short To Ground |
Sets when the BCM detects an excessive current draw from a front, rear or exterior mirror turn lamp output circuit. |
| B123A:15 B123B:15 B1247:15 B1248:15 B1C98:15 B1C99:15 |
Left Front Turn Indicator: Circuit Short To Battery or Open Right Front Turn Indicator: Circuit Short To Battery or Open Left Rear Turn Indicator: Circuit Short To Battery or Open Right Rear Turn Indicator: Circuit Short To Battery or Open Left Corner Lamp Circuit: Circuit Short To Battery or Open Right Corner Lamp Circuit: Circuit Short To Battery or Open |
Sets when the BCM detects an open or short to voltage from a front or exterior mirror turn lamp output circuit. |
Visual Inspection and Diagnostic Pre-checks
- Inspect the turn lamp bulb and make sure it is OK.
- Inspect the BCM fuses 14 (10A) (left turn lamps) and 13 (15A) (right turn lamps).
- Inspect the headlamp assembly, exterior rear view mirror or rear lamp assembly for damage.