Lighting Systems: Overview Pontiac Vibe I рестайлинг

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Identifying Ambient Light Sensor Connector Connector Part Information 90980-11107 WHT Pin Wire Color Function 1 GN/YE Daytime Running Lamps Control Module - Sensor Supply Voltage 2 - Not Used 3 GN/WH Daytime Running Lamps Control Module - Sensor Ground 4 GN/BK Daytime Running Lamps Control Module - Sensor Signal

Identifying Backup Lamp Switch Connector (Manual Transmission) Connector Part Information 90980-11250 GRY Pin Wire Color Function 1 RD/WH Backup Lamp Feed Circuit 2 RD/BK Backup Lamp Control Circuit

Identifying Center High Mounted Stop Lamp Connector Connector Part Information 90980-11148 WHT Pin Wire Color Function 1 GN/WH Brake Signal 2 WH/BK Ground

Identifying Cigar Lighter Illumination Lamp Connector Connector Part Information 90980-11148 GRY Pin Wire Color Function 1 WH/BK Illumination Negative 2 GN Illumination Positive

Identifying Daytime Running Lamps (DRL) Control Module Connector Connector Part Information 90980-12034 WHT Pin Wire Color Function A RD/BK Low Beam Control B WH/BK Ground 1 RD/BK Battery Voltage 2 GN/OR Fog Lamp Relay Control 3 RD Headlamps ON Indicator Control 4 RD/YE Headlamp Relay Control 5 RD Headlamps ON/Low Beam Position 6 YE Generator Load Signal 7 WH/BK Ground 8 RD/WH Brake Signal 9 RD/BK Park Brake Switch Signal 10 RD/WH Ignition Voltage 11 WH/RD DIM Relay Control 12 GN/BK TAIL Relay Control 13 GN/WH Park Lamps Signal 14 RD/WH High Beam/Flash Signal 15 - Not Used 16 GN/RD Ambient Light Sensor Ground 17 GN/OR Ambient Light Sensor Signal 18 GN/YE Ambient Light Sensor Supply Voltage

Identifying Flasher Relay Connector Connector Part Information 90980-10799 BLK Pin Wire Color Function 1 RD/WH Ignition Voltage 2 GN/YE LH Turn Signal Supply Voltage Circuit 3 GN/BK RH Turn Signal Supply Voltage Circuit 4 GN/WH Battery Voltage 5 GN/RD Left Turn Signal/Signal 6 GN/OR Right Turn Signal/Signal 7 WH/BK Ground 8 YE/BK Hazard Switch Control Circuit

Identifying Front Dome Lamp Connector Connector Part Information 90980-10908 WHT Pin Wire Color Function 1 RD/YE Front Dome Lamp Control Circuit 2 BU/WH Front Dome Lamp Feed Circuit 3 - Not Used

Identifying Hazard Switch Connector Connector Part Information 90980-10801 BLK Pin Wire Color Function 1 WH/BK Ground 2-3 - Not Used 4 YE/BK Hazard Control Circuit 5-7 - Not Used 8 GN Illumination Lamp Positive 9 WT/BK Illumination Lamp Negative 10 - Not Used

Identifying Instrument Panel Lamp Dimmer Connector Connector Part Information 90980-11989 BLK Pin Wire Color Function 1 RD/WH Courtesy Lamps Control Circuit 2 GN Instrument Panel Illumination Supply Voltage 3 BK Instrument Panel Cluster 4 GN Instrument Panel Lamp Dimmer Feed Circuit 5 WH/RD Instrument Panel Cluster 6 - Not Used 7 WH/BK Ground 8 RD/BK Front and Rear Dome Lamp Control Circuit

Identifying Left Backup and Rear Fog Lamp Connector Connector Part Information 90980-11132 GRY Pin Wire Color Function 1 RD Rear Fog Lamp Feed Circuit 2 RD/BK Backup Lamp Feed Circuit 3 WH/BK Ground

Identifying Left Fog Lamp Connector Connector Part Information 90980-98038 GRY Pin Wire Color Function A WH/BK Ground B RD Fog Lamp Feed Circuit

Identifying Left Front Park/Turn Lamp Connector Connector Part Information 90980-11020 GRY Pin Wire Color Function 1 GN Park Lamp Feed Circuit 2 WH/BK Ground 3 GN/BK Turn Signal Feed Circuit

Identifying Left Headlamp Connector Connector Part Information 90980-11314 BLK Pin Wire Color Function 1 RD/BK Low Beam Control 2 RD/WH High Beam Control 3 RD/WH Headlamp Supply Voltage

Identifying Left License Plate Lamp Connector Connector Part Information 90980-11148 GRY Pin Wire Color Function 1 WH/BK Ground 2 GN License Plate Lamp Feed Circuit

Identifying Left Rear Turn Lamp Connector Connector Part Information 90980-10825 GRY Pin Wire Color Function 1 WH/BK Ground 2 GN/BK Turn Lamp Feed Circuit

Identifying Left Tail/Stop Lamp Connector Connector Part Information 90980-10908 WHT Pin Wire Color Function 1 WH/BK Ground 2 GN Tail Lamp Feed Circuit 3 GN/WT Stop Lamp Feed Circuit

Identifying Park/Neutral Position (PNP) Switch Connector Connector Part Information 90980-11784 GRY Pin Wire Color Function 1 - Not Used 2 RD/BK Backup Lamp Supply Voltage 3 RD/WH PNP Switch Feed Circuit 4 LT GN 2nd Gear Position Signal 5 - Not Used 6 BK Start Position Signal 7 BU Drive Position Signal 8 LT GN/BK Low Position Signal 9 RD PNP Switch Feed Circuit

Identifying Rear Dome Lamp Connector Connector Part Information 90980-10908 WHT Pin Wire Color Function 1 RD/YE Rear Dome Lamp Control Circuit 2 BU/WH Rear Dome Lamp Feed Circuit 3 - Not Used

Identifying Right Backup and Rear Fog Lamp Connector Connector Part Information 90980-11132 GRY Pin Wire Color Function 1 RD Rear Fog Lamp Feed Circuit 2 RD/BK Backup Lamp Feed Circuit 3 WH/BK Ground

Identifying Right Fog Lamp Connector Connector Part Information 90980-98038 GRY Pin Wire Color Function A WH/BK Ground B RD Fog Lamp Feed Circuit

Identifying Right Front Park/Turn Lamp Connector Connector Part Information 90980-11020 WHT Pin Wire Color Function 1 GN Right Park Lamp Feed Circuit 2 WH/BK Ground 3 GN/WH Right Turn Signal Feed Circuit

Identifying Right Headlamp Connector Connector Part Information 90980-11314 BLK Pin Wire Color Function 1 RD/BK Low Beam Feed Circuit 2 RD/WH High Beam Feed Circuit 3 RD Ground

Identifying Right License Plate Lamp Connector Connector Part Information 90980-11148 GRY Pin Wire Color Function 1 WH/BK Ground 2 GN Right License Plate Lamp Feed Circuit

Identifying Right Rear Turn Lamp Connector Connector Part Information 90980-10825 GRY Pin Wire Color Function 1 WH/BK Ground 2 GN/YE Turn Lamp Feed Circuit

Identifying Right Tail/Stop Lamp Connector Connector Part Information 90980-10908 WHT Pin Wire Color Function 1 WH/BK Ground 2 GN Tail Lamp Feed Circuit 3 GN/WH Stop Lamp Feed Circuit

Identifying Stop Lamp Switch Connector Connector Part Information 90980-11118 BLU Pin Wire Color Function 1 GN/WH Stop Lamp Switch Signal Circuit 2 RD/WH Stop Lamp Switch Feed Circuit 3 GN/OR Cruise Control Servo Interrupt Circuit 4 RD/YE Cruise Control Module Interrupt Circuit

Identifying Turn Signal/Headlamp Switch Connector Connector Part Information 90980-12007 WHT Pin Wire Color Function 1 - Not Used 2 RD/YE Fog Lamp Relay Control-Fog Lamp Switch 3 - Not Used 4 GN/OR Fog Lamp Relay Control-DRL Control Module 5 GN/RD Left Turn Signal/Signal 6 WH/BK Ground 7 GN/OR Right Turn Signal/Signal 8 RD Low Beam Signal 9 RD/WH High Beam Signal 10 WH/BK Ground 11 WH/BK Ground 12 RD Low Beam ON Signal 13 GN/WH Park Lamps ON Signal

Begin the system diagnosis by reviewing the Exterior Lighting Systems Description and Operation and the Interior Lighting Systems Description and Operation . Reviewing the Description and Operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Lighting Systems in order to identify the correct procedure for diagnosing the system and where the procedure is located.

Low Beam System Operation

The headlamps may be turned on two different ways. First, when the end of the of the turn signal/headlamp switch lever is turned to the second detent position, the headlamps will illuminate. A ground signal is provided to the DRL control module. The module then provides a ground path to the coils of the HLP relay. Since the head relay is provided with battery voltage to both the contacts and the coil, the coil becomes energized and closes the contacts providing voltage to the DIM relay. With voltage and ground provided, the low beam lamps light. Second, with the switch in the OFF position, for automatic lamp control (ALC). During ALC the headlamps will be in one of the following modes of operation

1. Daytime running lamp (DRL) operation in daylight conditions, refer to DRL below for the operation of the circuit.
2. Low beam headlamp operation in low light conditions. When the ambient light sensor senses a low light condition for approximately 15 seconds, it will cancel DRL operation and turn on the headlamps at 100 percent intensity. A path to ground is provided to the coil of the HLP relay. With a direct path to ground provided to the headlamps though the DRL control module, the headlamps will light at 100 percent intensity.

High Beam System Operation

The high-beam headlamp operation is controlled using the turn signal/headlamp switch lever on the steering column. In order to change headlamp operation from low-beam to high-beam, push the switch lever toward the instrument panel (until the detent is felt) and release. With the switch lever in the high beam position, ground is provided to the DRL control module through the turn signal/headlamp switch and splice pack 200 to G200. The DRL control module provides a ground to the coil of the dimmer relay. Since voltage is being applied to the dimmer relay coil, it becomes energized. Voltage is then applied through the closed contacts of the dimmer relay and the to the high beam lamps in the headlamps. Since ground is provided to the headlamps through the closed contacts of the energized DIM relay, the high beam lamps light. The high-beam indicator (blue) in the instrument cluster will light during high-beam headlamp operation. In order to change headlamp operation back to low-beam operation, pull the turn signal switch lever toward the driver (until the detent is felt) and release.

Flash-to-Pass System Operation

The Flash-to-Pass feature allows the driver to signal the driver of another vehicle his intention to pass. This is achieved by pulling the lever toward the driver, which will cause the high beam operation to illuminate until the lever is released. The operation of the headlamps with the turn signal/headlamp switch in flash-to-pass mode is the same as the operation of the switch in the high beam mode except the lamps will turn off when the switch is released.

Refer to Headlamp Switch Replacement for turn signal/headlamp switch removal and installation procedures.

Mechanical System Operation

The front park/turn signal lamps are located next to the headlamp assembly. The turn signal/headlamp switch lever is located on the left side of the steering column. Turn the end of the switch lever to the first detent position in order to turn on the park lamps. When a turn is signaled, the appropriate front park lamp flashes to signal a turn. The turn signals operate only with the ignition switch in the ON or START positions and will not operate during hazard flasher operation. When making a partial turn, such as when changing lanes, the driver has the option of moving the lever to a detent stop. The turn signal lamps and the turn signal indicator will continue to flash as long as the lever is held in this position and will cancel automatically when the lever is released. The detent position allows a lane change or shallow turn to be made without failing to cancel the turn signal lamp. Moving the lever past the detent position to its furthest upward or downward position will provide conventional turn signal operation. Turn signal operation is controlled by the turn/hazard signal relay located in Junction Block #1 and the turn signal/headlamp switch lever. The park/turn signal lamp lens is clear over the park lamp and amber over the turn signal lamp. It contains one amber double filament bulb.

Circuit Operation

Voltage is applied from the GAUGE fuse to cavity 1 of the flasher relay. When the contacts on the Turn switch are closed it applies a ground to the flasher relay. Current flows only to the left or right set of lamps from the flasher relay, depending which way the turn signal switch is turned to.

The following lamps are turned on pertaining to the side the switch is activated to

1. The left or right front turn lamp
2. The left or right rear turn lamp
3. The left or right indicator lamp

The hazard switch is located above the heater control assembly and controls the operation of the hazard lamp circuit. Pressing the hazard switch to the ON position will cause the turn/hazard signal relay to disengage the turn signal circuit and engage the hazard lamp circuit. This causes both turn indicators in the instrument cluster assembly to flash on and off along with all exterior turn signal lamps. The hazard lamp circuit will operate regardless of the position of the ignition switch. Press the hazard switch a second time in order to turn the hazard lamps off. Turning the hazard switch off disengages the hazard lamp circuit and returns the turn/hazard signal relay to the turn signal mode.

Refer to Hazard Warning Switch Replacement in Instrument Panel, Gages, and Console for hazard switch removal and installation procedures.

Voltage is applied from Gage fuse to the flasher relay. When turned to the on position ground is provided to Cavity 8 of the flasher relay. Current is then provided to the flashers turning them on. The hazard lamps are individually grounded.

The following lamps are turned on when the hazard switch is switched to the ON position

1. The left and right front turn lamp
2. The left and right rear turn lamp
3. The left and right indicator lamp

Each of the tail lamps also contains a double filament stop lamp bulb. The stop lamp filament lights under the following conditions

1. The stop lamp switch is closed.
2. The parking lamps are activated.
3. The headlamps are activated.

The high-mounted stop lamp contains 2 bulbs and is located in the center of the rear tailgate. The stop lamp is designed to operate in conjunction with the tail lamps whenever the brake pedal is depressed.

Voltage is applied continuously from the stop fuse to the stop lamp switch. Voltage is applied from the stop lamp switch to C4 cavity 5 of the Instrument Panel Junction Block when the brake pedal is pressed. Voltage flows through the Instrument Panel Junction Block, continuing through SP300 to the Center High Mounted Stop Lamp.

SP300 applies voltage to the following lamps

1. The left and right stop lamps
2. The center high mounted stop lamp (CHMSL)