Lighting Systems Chevrolet Malibu VI

Fastener Tightening Specifications

Fastener Tightening Specifications

Lighting Systems Schematic Icons Icon Icon Definition CAUTION: When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling and Enabling Zones. Failure to observe the correct procedure could cause deployment of the SIR components, personal injury, or unnecessary SIR system repairs

Headlights/Daytime Running Lights (DRL) Schematics

Refer to SYSTEM WIRING DIAGRAMS .

Fog Lights Schematics

Refer to SYSTEM WIRING DIAGRAMS .

Exterior Lights Schematics

Refer to SYSTEM WIRING DIAGRAMS .

Interior Lights Schematics

Refer to SYSTEM WIRING DIAGRAMS .

Interior Lights Dimming Schematics

Refer to SYSTEM WIRING DIAGRAMS .

Scheme 1

Scheme 2

Scheme 3

Scheme 4

Scheme 5

Scheme 6

Scheme 7

Scheme 8

Scheme 9

Scheme 10

A/T Shift Indicator Lamp Connector Part Information 12162083 2-Way F Lamp Socket Bulb Base Type W2 Axial (BK) Pin Wire Color Circuit No. Function A GY 8 Instrument Panel Lamp Supply Voltage B /BK 150 Ground

Ambient Light Sensor (C60) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A L-GN/BK 1137 DRL Ambient Light Sensor Signal B YE/BK 1138 DRL Ambient Light Sensor Low Reference

Backup Lamp - Left Connector Part Information 16530675 2-Way F (GY) Pin Wire Color Circuit No. Function A L-GN 24 Backup Lamp Supply Voltage B BK 1550 Ground BK 1550 Ground

Backup Lamp - Right Connector Part Information 16530675 2-Way F (GY) Pin Wire Color Circuit No. Function A L-GN 24 Backup Lamp Supply Voltage B BK 1450 Ground BK 1450 Ground

Brake Pedal Position Sensor Connector Part Information 15332132 3-Way F Global Terminal 150 Series (BK) Pin Wire Color Circuit No. Function A WH 5359 5-Volt Reference B YE 5361 Brake Pedal Position Sensor Signal C BN 5360 Low Reference

Cargo Lamp (Extended Sedan) Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A - - Not Used B OG/BK 737 Rear Compartment Lamp Control C OG 1732 Courtesy Lamps Supply Voltage

Cargo Lamp Switch (Extended Sedan) Connector Part Information 12052832 2-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A WH/BK 158 Rear Compartment Lid Ajar Switch Signal B BK 1350 Ground

Center High Mounted Stop Lamp (CHMSL) Connector Part Information 12052832 2-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A WH 17 Stop Lamp Supply Voltage B BK 1350 Ground

Courtesy/Reading Lamp - Front (C95) Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A BK 1350 Ground B OG 1732 Courtesy Lamps Supply Voltage C PU 328 Interior Lamp Switch Signal

Dimmer Switch Connector Part Information 15332135 4-Way F Global Terminal 150 Series (BK) Pin Wire Color Circuit No. Function A GY 8 Instrument Panel Lamp Supply Voltage B BK 650 Ground C D-GN 44 Instrument Panel Lamps Dimmer Switch Signal D PU 719 Low Reference

Dome/Reading Lamp Connector Part Information 12045813 4-Way F Metri-Pack 150 Series (WH) Pin Wire Color Circuit No. Function A BK 1350 Ground B GY 157 Courtesy Lamp Control C PU 328 Interior Lamp Switch Signal D OG 1732 Courtesy Lamps Supply Voltage

Fog Lamp Switch (T96) Connector Part Information 12047785 4-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A BK 650 Ground B YE 317 Fog Lamp Relay Control C OG 192 Front Fog Lamp Switch Signal D GY 8 Instrument Panel Lamps Supply Voltage

Fog Lamp - LF (T96) Connector Part Information 12020599 2-Way F Metri-Pack 280 Series Sealed (BK) Pin Wire Color Circuit No. Function A BK 150 Ground B PU 2234 Front Fog Lamp Supply Voltage

Fog Lamp - RF (T96) Connector Part Information 12020599 2-Way F Metri-Pack 280 Series Sealed (BK) Pin Wire Color Circuit No. Function A BK 250 Ground B PU 2234 Front Fog Lamp Supply Voltage

Hazard Switch Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A GY 8 Instrument Panel Lamp Supply Voltage B BK 650 Ground C WH 111 Hazard Switch Signal

Headlamp - High Beam - Left Connector Part Information 12124819 2-Way F Metri-Pack 280 Series (GY) Pin Wire Color Circuit No. Function A L-GN 711 Left Headlamp High Beam Supply Voltage B BK 150 Ground

Headlamp - High Beam - Right Connector Part Information 12124819 2-Way F Metri-Pack 280 Series (GY) Pin Wire Color Circuit No. Function A L-GN 311 Right Headlamp High Beam Supply Voltage B BK 250 Ground

Headlamp - Low Beam - Left Connector Part Information 12124819 2-Way F Metri-Pack 280 Series (BK) Pin Wire Color Circuit No. Function A YE 712 Left Headlamp Low Beam Supply Voltage B BK 150 Ground BK 150 Ground

Headlamp - Low Beam - Right Connector Part Information 12124819 2-Way F Metri-Pack 280 Series (BK) Pin Wire Color Circuit No. Function A YE 312 Right Headlamp Low Beam Supply Voltage B BK 250 Ground BK 250 Ground

License Lamp (Extended Sedan) Connector Part Information 12162000 2-Way M Metri-Pack 150 Series Sealed (BK) Pin Wire Color Circuit No. Function A BK 1550 Ground B BN 9 Park Lamp Supply Voltage

License Lamp - Left (Sedan) Connector Part Information 12059251 2-Way F Metri-Pack 150 Series (RD) Pin Wire Color Circuit No. Function A BK 1350 Ground B BN 9 Park Lamp Supply Voltage

License Lamp - Right (Sedan) Connector Part Information 12162000 2-Way F Metri-Pack 150 Series (RD) Pin Wire Color Circuit No. Function A BK 1350 Ground B BN 9 Park Lamp Supply Voltage

Park/Turn Signal/DRL Lamp - LF Connector Part Information 16530670 3-Way F (BK) Pin Wire Color Circuit No. Function A PU 5364 Left DRL/Turn Supply Voltage B BN 9 Park Lamp Supply Voltage G BK 150 Ground BK 150 Ground

Park/Turn Signal/DRL Lamp - RF Connector Part Information 16530670 3-Way F (BK) Pin Wire Color Circuit No. Function A PU 5365 Right DRL/Turn Supply Voltage B BN 9 Park Lamp Supply Voltage G BK 250 Ground BK 250 Ground

Turn Signal/Multifunction Switch - C1 Connector Part Information 15450317 8-Way F JST NAC-I Series (WH) Pin Wire Color Circuit No. Function 1 BK/WH 651 Ground 2 WH 103 Headlamp Switch Headlamps On Signal 3 BN/WH 301 Park Lamp Switch Signal 4 PU/WH 549 Headlamp Switch Headlamps Off Signal 5-8 - - Not Used

Turn Signal/Multifunction Switch - C2 Connector Part Information 15393435 10-Way F Micro-Pack 64 Series (GY) Pin Wire Color Circuit No. Function A - - Not Used B BK/WH 651 Ground C BN 1356 Flash To Pass Switch Signal D PU 524 Headlamp Dimmer Switch High Beam Signal E - - Not Used F PK/WH 1970 Headlamp Low Beam Relay Control G YE/BK 1418 Left Turn Signal Switch Signal H D-GN/WH 1419 Right Turn Signal Switch Signal J-K - - Not Used

Rear Compartment Courtesy Lamp (Sedan) Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A - - Not Used B OG/BK 737 Rear Compartment Lamp Control C OG 1732 Courtesy Lamps Supply Voltage

Tail/Stop and Turn Signal Lamp - Left Connector Part Information 16530671 3-Way F (WH) Pin Wire Color Circuit No. Function A L-BU 18 Left Rear Stop/Turn Lamp Supply Voltage B BN 9 Park Lamp Supply Voltage BN 9 Park Lamp Supply Voltage G BK 1550 Ground BK 1550 Ground

Tail/Stop and Turn Signal Lamp - Right Connector Part Information 16530671 3-Way F (WH) Pin Wire Color Circuit No. Function A L-BU 19 Right Rear Stop/Turn Lamp Supply Voltage B BN 9 Park Lamp Supply Voltage BN 9 Park Lamp Supply Voltage G BK 1450 Ground BK 1450 Ground

Tail Lamp - Left Connector Part Information 16530671 3-Way F (WH) Pin Wire Color Circuit No. Function A - - Not Used B BN 9 Park Lamp Supply Voltage G BK 1550 Ground

Tail Lamp - Right Connector Part Information 16530671 3-Way F (WH) Pin Wire Color Circuit No. Function A - - Not Used B BN 9 Park Lamp Supply Voltage G BK 1450 Ground

Vanity Mirror Lamp - Left (D74/DH6) Connector Part Information 12047663 2-Way M Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A OG 1732 Courtesy Lamps Supply Voltage B BK 1350 Ground

Vanity Mirror Lamp - Right (DH6) Connector Part Information 12047663 2-Way M Metri-Pack 150 Series (BK) Pin Wire Color Circuit No. Function A OG 1732 Courtesy Lamps Supply Voltage B BK 1350 Ground

Begin the system diagnosis with the Diagnostic System Check - Vehicle in Vehicle Control Systems. The Vehicle System Check will provide the following information

1. The identification of the control modules which commands the system
2. The ability of the control modules to communicate through the serial data circuit
3. The identification of any stored diagnostic trouble codes (DTCs) and their status

The use of Vehicle System Check will identify the correct procedure for diagnosing the system and where the procedure is located.

Scan Tool Output Controls

Body Control Module (BCM)

Scan Tool Data List

Body Control Module (BCM)

Circuit Description

The body control module (BCM) supplies battery positive voltage to the courtesy lamps, underhood lamp, I/P compartment lamp, console lamp and both visor vanity mirror lamps. In the event that any of these lamps were to remain illuminated for more than 20 minutes with the ignition switch in the OFF position, the BCM will deactivate the inadvertent power courtesy lamps supply voltage circuit to prevent a total battery discharge condition.

Conditions for Running the DTC

The battery voltage must be between 9-16 volts.

Conditions for Setting the DTC

DTC B1480 00 The inadvertent power courtesy lamps supply voltage circuit to the courtesy lamps, underhood lamp, I/P compartment lamp, console lamp and both visor vanity mirror lamps is shorted to ground for longer than 1 second.

Action Taken When the DTC Sets

The courtesy lamps, underhood lamp, I/P compartment lamp, console lamp and both visor vanity mirror lamps will not operate.

Conditions for Clearing the DTC

1. This DTC will clear on current status after the condition for setting the fault is corrected.
2. A history DTC will clear after 100 consecutive ignition cycles without a fault present.
3. History and current DTCs can be cleared using a scan tool.

Diagnostic Aids

Perform a visual inspection for loose or poor connections at all related components. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

DTC B1480

The front fog lamp switch signal circuit is grounded momentarily by pressing the front fog lamp switch. The body control module (BCM) energizes the front fog lamp relay by applying battery positive voltage to the front fog lamps relay control circuit when the front fog lamp relay is energized, battery positive voltage is applied to the front fog lamps supply voltage circuit which illuminates the front fog lamps.

The battery voltage must be between 9-16 volts.

1. DTC B2530 02 The front fog lamp relay control circuit is shorted to ground.
2. DTC B2530 05 The front fog lamp relay control circuit is shorted to battery positive voltage or open.

1. DTC B2530 02 the front fog lamps will not operate.
2. DTC B2530 05 the front fog lamps and the fog lamp indicator will be on at all times or will not operate.

The front fog lamps will not operate or will remain always on.

1. This DTC will clear on current status after the condition for setting the fault is corrected.
2. A history DTC will clear after 100 consecutive ignition cycles without a fault present.
3. History and current DTCs can be cleared using a scan tool.

1. The fog lamps will only illuminate under the following conditions: The park lamps or low beam headlamps are ON. The highbeam headlamps are OFF. The fog lamp switch is the ON position.
2. If the DTC is a history DTC, the problem may be intermittent. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B2530

The backup lamp relay is controlled by the body control module (BCM). The BCM provides ground to the backup lamp relay control circuit in order to turn ON the backup lamp relay. When the backup lamp relay control circuit opens, becomes shorted to voltage, or becomes shorted to ground without being commanded ON by the BCM, DTC B2545 is set.

The ignition switch is in the ON position.

1. B2545.01 will set if there is a short to voltage in the backup lamp relay control circuit.
2. B2545.06 will set if there is an open or short to ground in the backup lamp relay control circuit.

1. DTC B2545 is stored in the BCM memory.
2. If the backup lamp relay control circuit is shorted to ground, the backup lamps are always ON when the ignition is ON.
3. If the backup lamp relay control circuit is open, the backup lamps are inoperative.

1. The conditions for setting the DTC are no longer present.
2. A history DTC clears after 100 malfunction free ignition cycles.
3. The BCM receives the clear code command from the scan tool.

1. The backup lamps will only illuminate under the following conditions: The ignition is ON. The gear selector is in the reverse position.
2. If the DTC is a history DTC, the problem may be intermittent. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

Test Description

The numbers below refer to the step numbers on the diagnostic table.

1. 2: Listen for an audible click when the backup lamp relay operates. Command both the ON and OFF states. Repeat the commands as necessary.

DTC B2545

The body control module (BCM) turns on the LOW BEAM relay when the ambient light sensor senses a dark condition or the low beam headlamps are requested ON. Battery positive voltage is supplied to the LOW BEAM relay at all times. The BCM grounds the LOW BEAM relay control circuit in order to activate the relay.

1. The ignition switch is in the ON position.
2. The ambient light sensor senses a dark condition (ALC headlamps on).

1. B2575.01 will set if there is a short to voltage in the low beam relay control circuit.
2. B2575.06 will set if there is an open or short to ground in the low beam relay control circuit.

1. The SERVICE indicator illuminates.
2. The check gauges chime sounds.

1. The conditions for setting the DTC are no longer present.
2. A history DTC clears after 100 malfunction free ignition cycles.
3. The BCM receives the clear code command from the scan tool.

1. Turn the ignition switch to the OFF position, cover the ambient light sensor on the dash, wait for 15 seconds and then return the ignition to the ON position. The low beam headlamps should illuminate.
2. If the DTC is a history DTC, the problem may be intermittent. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

The numbers below refer to the step numbers on the diagnostic table.

1. 2: Listen for an audible click when the LOW BEAM relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
2. 4: Tests for voltage at the coil side of the LOW BEAM relay.

DTC B2575

The high beam relay is controlled by the body control module (BCM). The BCM provides ground to the high beam relay control circuit in order to turn ON the high beam relay. When the high beam relay control circuit opens, becomes shorted to voltage, or becomes shorted to ground without being commanded ON by the BCM, DTC B2580 is set.

The ignition switch is in the ON position.

1. B2580.01 will set if there is a short to voltage in the high beam relay control circuit.
2. B2580.06 will set if there is an open or short to ground in the high beam relay control circuit.

1. DTC B2580 is stored in the BCM memory.
2. If the high beam relay control circuit is shorted to ground, the high beams are always ON.
3. If the high beam relay control circuit is open, the high beam lamps are inoperative.

1. The conditions for setting the DTC are no longer present.
2. A history DTC clears after 100 malfunction free ignition cycles.
3. The BCM receives the clear code command from the scan tool.

1. The high beam lamps will only illuminate under the following conditions: The headlamps are ON. The headlamp dimmer switch is in the high position.
2. If the DTC is a history DTC, the problem may be intermittent. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B2580

The body control module (BCM) turns on the PARK LAMP relay when the ambient light sensor senses a dark condition or the park lamps are requested ON. Battery positive voltage is supplied to the PARK LAMP relay at all times. The BCM grounds the PARK LAMP relay control circuit in order to activate the relay.

1. The ignition switch is in the ON position.
2. The ambient light sensor senses a dark condition (ALC park lamps on).

1. B2585.01 will set if there is a short to voltage in the park lamp relay control circuit.
2. B2585.06 will set if there is an open or short to ground in the park lamp relay control circuit.

1. The SERVICE indicator will illuminate.
2. The check gauges chime sounds.

1. The conditions for setting the DTC are no longer present.
2. A history DTC clears after 100 malfunction free ignition cycles.
3. The BCM receives the clear code command from the scan tool.

If the DTC is a history DTC, the problem may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

The numbers below refer to the step numbers on the diagnostic table.

1. 2: Listen for an audible click when the PARK LAMP relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
2. 4: Tests for voltage at the coil side of the PARK LAMP relay .
3. 5: Verifies that the body control module is providing ground to the PARK LAMP relay.

DTC B2585

The body control module (BCM) monitors the instrument panel (I/P) lamps dimming control circuit to determine the lighting intensity of the I/P lamps. When the BCM receives a varied voltage signal on the I/P lamps dimming control circuit, it applies a corresponding pulse width modulated (PWM) voltage signal through the I/P lamps supply voltage circuit to all the I/P lamps.

1. Voltage supplied to the BCM is in the normal operating range, approximately 9-14 volts.
2. The ignition switch must be in the ACCESSORY or RUN position.
3. The park lamps must be on.

1. The BCM detects a short to ground in the instrument panel lamp supply voltage circuit.
2. The above condition must be present for more than 1 second.

1. The I/P courtesy lamps are inoperative.
2. The BCM store DTC B2625 in memory.

Conditions for Clearing the MIL/DTC

1. A current DTC B2625 clears when the BCM no longer detects a short to ground in the instrument panel lamps supply voltage circuit.
2. A history DTC B2625 clears after 100 consecutive ignition cycles.

1. If the DTC B2627 is a history DTC, the fault may be intermittent. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.
2. The following conditions may cause an intermittent malfunction to occur: An intermittent short to ground in the instrument panel lamps supply voltage circuit. The BCM is intermittently shorted to ground.

DTC B2625

The body control module (BCM) monitors the ambient light sensor signal circuit in order to determine if the daytime running lights (DRL) or the auto headlights (ALC) should be turned ON in the AUTO mode. When the BCM senses the ambient light sensor voltage is between 1.75-4.9 volts, either the DRL will be commanded ON or the ALC will be commanded ON.

The system voltage must be between 9.0-16.0 volts.

1. B2645.01 will set if there is a short to voltage in the ambient light sensor signal circuit.
2. B2645.02 will set if there is an open or short to ground in the ambient light sensor signal circuit.

The ALC will remain ON in any ambient light state.

1. This DTC will clear immediately after the condition for setting the fault is corrected.
2. A history DTC will clear after 100 consecutive ignition cycles without a fault present.
3. Use a scan tool in order to clear history and current DTCs.

1. The following may cause an intermittent: Bent terminal Backed out terminal Damaged terminal Poor terminal tension Chafed wire Broken wire inside the insulation
2. When diagnosing for an intermittent short or an open, manipulate the wire harness while watching the test equipment for changes.

DTC B2645

The body control module (BCM) supplies voltage to the center high mount stop lamp (CHMSL) and the powertrain control module (PCM) when the stop lamps are active.

DTC Descriptor

This diagnostic procedure supports the following DTC

DTC B3903 Stop Lamp Relay Circuit

1. The BCM must be powered.
2. This test is run continuously.

1. DTC B3903.02 will set if the stop lamp switch signal circuit is shorted to ground for 125 ms.
2. DTC B3903.05 will set if the stop lamp switch signal circuit is open or shorted to voltage for 125 ms.

1. When DTC B3903 is set the service vehicle soon lamp will illuminate.
2. The CHMSL output is disabled.

1. The current DTC will clear when the fault is no longer present.
2. The ignition key must be cycled OFF and ON.
3. A history DTC clears after 100 consecutive ignition cycles in which no faults have occurred.
4. Clear the DTC with a scan tool.

1. An internal short in the CHMSL may cause this code to set.
2. A faulty brake lamp diagnostic resistor may cause B3903.05 to set.

DTC B3903

The body control module (BCM) controls the left front turn signal, hazard lamp, and daytime running lamp (DRL). The BCM supplies voltage to control the lighting functions. The BCM monitors the left turn signal lamp supply voltage circuit for proper operation.

1. B3948.02 will set if there is a short to ground in the left front turn signal circuit.
2. B3948.05 will set if there is an open or short to voltage in the left front turn signal circuit.

1. The service vehicle soon message will be displayed.
2. Stores a DTC B3948 in the BCM memory.
3. If failure is open, short to ground or to power. Rear turn signal flashes at double rate.

1. This DTC requires an ignition cycle in order to change from current to history.
2. The BCM no longer detects continuous battery voltage on the LH turn signal monitor circuit for longer than 5 seconds.
3. A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.

1. The following conditions may cause an intermittent malfunction: There is an intermittent short to voltage in the LH turn signal monitor circuit. The turn signal switch or the hazard switch is shorted internally or is sticking.
2. If the BCM detects continuous voltage on the LH turn signal monitor circuit, the BCM interprets this as a short to voltage. The BCM will continue with normal DRL operation, and the LF turn signal will remain inoperative.
3. If the DTC is a history DTC, the problem may be intermittent. Perform the tests shown while moving related wiring and connectors. This can often cause the malfunction to occur. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B3948

The body control module (BCM) controls the right front turn signal, hazard lamp, and daytime running lamp (DRL). The BCM supplies voltage to control the lighting functions. The BCM monitors the right turn signal lamp supply voltage circuit for proper operation.

1. B3949.02 will set if there is a short to ground in the right front turn signal circuit.
2. B3949.05 will set if there is an open or short to voltage in the right front turn signal circuit.

1. The service vehicle soon message will be displayed.
2. Stores a DTC B3949 in the BCM memory.
3. If failure is open, short to ground, or to power the rear turn signal flashes at double rate.

1. This DTC requires an ignition cycle in order to change from current to history.
2. The BCM no longer detects continuous battery voltage on the RH turn signal monitor circuit for longer than 5 seconds.
3. A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.

1. The following conditions may cause an intermittent malfunction: There is an intermittent short to voltage in the RH turn signal monitor circuit. The turn signal switch or the hazard switch is internally shorted or is sticking.
2. The BCM needs to detect voltage oscillations on the RH turn signal monitor circuit in order to de-energize the RH DRL relay. If the BCM detects continuous voltage on the RH turn signal monitor circuit, the BCM interprets this as a short to voltage. The BCM will continue with normal DRL operation, and the RF turn signal will remain inoperative.
3. If the DTC is a history DTC, the problem may be intermittent. Perform the tests shown while moving related wiring and connectors. This can often cause the malfunction to occur. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B3949

The body control module (BCM) controls the left rear turn signal and hazard lamp. The BCM supplies voltage to control the lighting functions. The BCM monitors the left rear stop/turn lamp supply voltage circuit for proper operation.

1. B3950.02 will set if there is a short to ground in the left rear turn signal circuit.
2. B3950.05 will set if there is an open or short to voltage in the left rear turn signal circuit.

1. The service vehicle soon message will be displayed.
2. Stores a DTC B3950 in the BCM memory.
3. If failure is open, short to ground, or to power, the rear turn signal flashes at double rate.

1. This DTC requires an ignition cycle in order to change from current to history.
2. The BCM no longer detects continuous battery voltage on the LH turn signal monitor circuit for longer than 5 seconds.
3. A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.

1. The following conditions may cause an intermittent malfunction: There is an intermittent short to voltage in the LH turn signal monitor circuit. The turn signal switch or the hazard switch is shorted internally or is sticking.
2. If the BCM detects continuous voltage on the LH turn signal monitor circuit, the BCM interprets this as a short to voltage. The BCM will continue with normal DRL operation, and the LR turn signal will remain inoperative.
3. If the DTC is a history DTC, the problem may be intermittent. Perform the tests shown while moving related wiring and connectors. This can often cause the malfunction to occur. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B3950

The body control module (BCM) controls the right rear turn signal and hazard lamp. The BCM supplies voltage to control the lighting functions. The BCM monitors the right rear stop/turn lamp supply voltage circuit for proper operation.

1. B3951.02 will set if there is a short to ground in the right rear turn signal circuit.
2. B3951.05 will set if there is an open or short to voltage in the right rear turn signal circuit.

1. The service vehicle soon message will be displayed.
2. Stores a DTC B3951 in the BCM memory.
3. If failure is open, short to ground, or to power, the rear turn signal flashes at double rate.

1. This DTC requires an ignition cycle in order to change from current to history.
2. The BCM no longer detects continuous battery voltage on the RH turn signal monitor circuit for longer than 5 seconds.
3. A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.

1. The following conditions may cause an intermittent malfunction: There is an intermittent short to voltage in the RH turn signal monitor circuit. The turn signal switch or the hazard switch is internally shorted or is sticking.
2. If the BCM detects continuous voltage on the RR turn signal monitor circuit, the BCM interprets this as a short to voltage. The BCM will continue with normal daytime running lamp (DRL) operation, and the RF turn signal will remain inoperative.
3. If the DTC is a history DTC, the problem may be intermittent. Perform the tests shown while moving related wiring and connectors. This can often cause the malfunction to occur. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC B3951

The body control module (BCM) applies a ground through the brake sensor reference low circuit to the brake pedal position sensor. The BCM supplies a 5-volt reference through the brake sensor reference voltage circuit to the brake pedal position sensor. When the brake pedal is being applied, the brake pedal position sensor then sends a variable voltage signal through the brake sensor signal circuit to the BCM.

The battery voltage must be between 9-16 volts.

1. DTC C0277 06 A short to ground or an open in the brake position sensor circuit is present.
2. DTC C0277 07 A short battery positive voltage in the brake position sensor circuit or the brake position sensor low reference circuit is present.
3. DTC C0277 09 A malfunctioning brake pedal position sensor or BCM.

The stop lamps will not function correctly.

1. The DTC will clear on current status after the condition for setting the fault is corrected
2. A history DTC will clear after 100 consecutive ignition cycles without a fault present.
3. A History or current DTC can be cleared using a scan tool.

1. Perform a visual inspection for loose or poor connections at all related components. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.
2. If DTC C0277 09 is set, replace the brake pedal position sensor. If the DTC resets replace the BCM.

DTC C0277

The body control module (BCM) applies a ground through the brake sensor reference low circuit to the brake position sensor. The BCM supplies a 5-volt reference through the brake sensor reference voltage circuit to the brake position sensor. When the brake pedal is being applied, the brake position sensor then sends a variable voltage signal through the brake sensor signal circuit to the BCM.

The battery voltage must be between 9-16 volts.

DTC C0278 00 will set if the brake position sensor is out of calibration.

1. This DTC will clear on current status after the condition for setting the fault is corrected.
2. A history DTC will clear after 100 consecutive ignition cycles with out a fault present.
3. History and current DTCs can be cleared using a scan tool.

1. If DTC C0278 00 sets then recalibrate the brake position sensor.
2. Perform a visual inspection for a loose or poor connection at all related components. Refer to «Testing for Intermittent Conditions and Poor Connections»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__testing-for-intermittent-conditions-and-poor) in Wiring Systems.

DTC C0278

The body control module (BCM) applies a ground through the brake sensor reference low circuit to the brake pedal position sensor. The BCM supplies a 5-volt reference through the brake sensor reference voltage circuit to the brake position sensor. When the brake pedal is being applied, the brake pedal position sensor then sends a variable voltage signal through the brake sensor signal circuit to the BCM.

The battery voltage must be between 9-16 volts.

1. DTC C0870 03 A short to ground or an open in the brake pedal position sensor voltage reference circuit is present.
2. DTC C0870 07 A short battery positive voltage in the brake pedal position sensor voltage reference circuit is present.

The stop lamps will not function correctly.

1. The DTC will clear on current status after the condition for setting the fault is corrected
2. A history DTC will clear after 100 consecutive ignition cycles without a fault present.
3. A History or current DTC can be cleared using a scan tool.

Perform a visual inspection for loose or poor connections at all related components. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

DTC C0870

The body control module (BCM) receives a signal from the brake pedal position sensor through the brake position sensor signal circuit. The BCM then applies a signal through the stop lamp switch signal circuit to the powertrain control module (PCM). The stop lamp switch signal circuit splices off of the stop lamp supply voltage circuit in the fuse block - underhood and continues to the PCM.

1. The vehicle has cycled from 0-60 km/h (0-37 mph) 3 times in 1 ignition cycle.
2. Continuous once the previous criteria have been met.

The PCM detects voltage on the stop lamp switch signal circuit when the circuit should be open.

1. The PCM stores the DTC information into memory when the diagnostic runs and fails.
2. The malfunction indicator lamp (MIL) will not illuminate.
3. The PCM records the operating conditions at the time the diagnostic fails. The PCM stores this information in the Failure Records.

1. A last test failed, or current DTC, clears when the diagnostic runs and does not fail.
2. A history DTC will clear after 40 consecutive warm-up cycles, if no failures are reported by this or any other non-emission related diagnostic.
3. Use a scan tool in order to clear the DTC.

The number below refers to the step number on the diagnostic table.

1. 2: This step determines if the fault is present.

DTC P0572

The body control module (BCM) receives a signal from the brake pedal position sensor through the brake pedal sensor signal circuit. The BCM then applies voltage through the stop lamp switch signal circuit to the powertrain control module (PCM).

1. Vehicle has cycled from 0-60 km/h (0-37 mph) 3 times in 1 ignition cycle.
2. Continuous once the previous criteria have been met.

The PCM detects an open or short to ground on the stop lamp switch signal circuit when the voltage should be present.

1. The PCM stores the DTC information into memory when the diagnostic runs and fails.
2. The malfunction indicator lamp (MIL) will not illuminate.
3. The PCM records the operating conditions at the time the diagnostic fails. The PCM stores this information in the Failure Records.

1. A last test failed, or current DTC, clears when the diagnostic runs and does not fail.
2. A history DTC will clear after 40 consecutive warm-up cycles, if no failures are reported by this or any other non-emission related diagnostic.
3. Use a scan tool in order to clear the DTC.

The number below refers to the step number on the diagnostic table.

1. 2: This step determines if the fault is present.

DTC P0573

1. Perform the Vehicle System Check before using the symptom tables in order to verify that all of the following are true: There are no DTCs set. The body control module (BCM) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following: «Exterior Lighting Systems Description and Operation»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems) «Interior Lighting Systems Description and Operation»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems)

Visual/Physical Inspection

Several of the symptom procedures ask for a careful visual/physical check. This step is extremely important; it could lead to correcting a problem without further checks and can save valuable time. These checks include the following

1. Inspect for aftermarket devices which could affect the operation of the Lighting System. Refer to «Checking Aftermarket Accessories»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__checking-aftermarket-accessories) in Wiring Systems.
2. Inspect the easily accessible or visible system components and harness connectors for obvious damage or conditions which could cause the symptom.
3. If only one lamp is inoperative, inspect and repair a poor connection or an open in the power feed or ground circuit before replacing the light bulb. Refer to «Circuit Testing»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__circuit-testing) and «Wiring Repairs»(/chevrolet/malibu/vi-2003-2006/remont/body-electrical/#wiring-systems-specifications-component-views-and-connector-end-views__wiring-repairs) in Wiring Systems.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose a symptom that does not set a DTC

1. «Backup Lamps Always On»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__backup-lamps-always-on)
2. «Backup Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__backup-lamps-inoperative)
3. «Courtesy Lamps Always On»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__courtesy-lamps-always-on)
4. «Courtesy Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__courtesy-lamps-inoperative)
5. «Fog Lamps Always On»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__fog-lamps-always-on)
6. «Fog Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__fog-lamps-inoperative)
7. «Hazard Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__hazard-lamps-inoperative)
8. «Headlamps Always On - Low or High Beam»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__headlamps-always-on-low-or)
9. «Headlamps Inoperative - High Beams»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__headlamps-inoperative-high-beams)
10. «Headlamps Inoperative - Low Beams»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__headlamps-inoperative-low-beams)
11. «Headlamps Inoperative - Low and High Beams»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__headlamps-inoperative-low-and-high)
12. «Headlamps Inoperative - Flash to Pass»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__headlamps-inoperative-flash-to-pass)
13. «High Beam Indicator Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__high-beam-indicator-inoperative)
14. «Park Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__park-lamps-inoperative)
15. «Reading Lamp(s) Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__reading-lamps-inoperative)
16. «Rear Compartment Lamp(s) Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__rear-compartment-lamps-inoperative)
17. «Stop Lamps Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__stop-lamps-inoperative)
18. «Turn Signal Lamps and/or Indicators Inoperative»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems__turn-signal-lamps-andor-indicators-inoperative)

Automatic Lamp Control Inoperative

Automatic Lamp Control Inoperative

Backup Lamps Always On

Backup Lamps Always On

Backup Lamps Inoperative

Backup Lamps Inoperative

Courtesy Lamps Always On

Courtesy Lamps Always On

Courtesy Lamps Inoperative

Courtesy Lamps Inoperative

Daytime Running Lamps (DRL) Inoperative

Daytime Running Lamps (DRL) Inoperative

Dome Lamps Inoperative

Dome Lamps Inoperative

Fog Lamps Always On

Fog Lamps Always On

Fog Lamps Inoperative

Fog Lamps Inoperative

Hazard Lamps Inoperative

Hazard Lamps Inoperative

Headlamps Always On - Low or High Beam

Headlamps Always On - Low or High Beam

Headlamps Inoperative - High Beams

Headlamps Inoperative - High Beams

Headlamps Inoperative - Low Beams

Headlamps Inoperative - Low Beams

Headlamps Inoperative - Low and High Beams

Headlamps Inoperative - Low and High Beams

Headlamps Inoperative - Flash to Pass

Headlamps Inoperative - Flash to Pass

High Beam Indicator Inoperative

High Beam Indicator Inoperative

Illuminated Entry Lamps Inoperative

Illuminated Entry Lamps Inoperative

Interior Backlighting Does Not Dim

Interior Backlighting Does Not Dim

Interior Backlighting Inoperative

Interior Backlighting Inoperative

Instrument Panel (I/P) Compartment Lamp Inoperative

Instrument Panel (I/P) Compartment Lamp Inoperative

Park Lamps Inoperative

Park Lamps Inoperative

Reading Lamp(s) Inoperative

Reading Lamp(s) Inoperative

Rear Compartment Lamp(s) Inoperative

Rear Compartment Lamp(s) Inoperative

Stop Lamps Inoperative

Stop Lamps Inoperative

Turn Signal Lamps and/or Indicators Inoperative

Turn Signal Lamps and/or Indicators Inoperative

Vanity Mirror Lamp(s) Inoperative

Vanity Mirror Lamp(s) Inoperative

Removal Procedure

1. Remove the closeout panel. Refer to «Closeout/Insulator Panel Replacement - Left»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages, and Console.
2. Remove the steering wheel stub shaft bolt and position the steering wheel stub shaft away from the steering column in order to gain access to the brake pedal adjustment position sensor. Refer to «Intermediate Steering Shaft Replacement»(/chevrolet/malibu/vi-2003-2006/remont/steering-column-switches/#steering-wheel-steering-column) in Steering Wheel and Column.
3. Remove the electrical connector from the brake pedal position sensor.
4. Remove the bolt from the position sensor, and remove the position sensor from the vehicle.

Installation Procedure

1. Install the brake pedal position sensor and the bolt to the brake pedal bracket. Tighten: Tighten the bolt to 2 N.m (18 lb in).
2. Install the electrical connector to the position sensor.
3. Install the steering wheel stub shaft to the steering column. Refer to «Intermediate Steering Shaft Replacement»(/chevrolet/malibu/vi-2003-2006/remont/steering-column-switches/#steering-wheel-steering-column) in Steering Wheel and Column.
4. Install the closeout panel. Refer to «Closeout/Insulator Panel Replacement - Left»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages, and Console.
5. Calibrate the position sensor. Refer to «Brake Pedal Position Sensor Calibration Description and Operation»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems) .

1. Remove the instrument panel (I/P) center trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.
2. Remove the hazard switch connector.
3. Remove the hazard switch.

1. Install the hazard switch.
2. Install the hazard switch connector.
3. Install the I/P center trim panel. Refer to «Trim Panel Replacement - Instrument Panel (I/P) Center»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.

1. Remove the left instrument panel (I/P) trim panel. Refer to «Instrument Panel (I/P) Trim Panel Replacement - Left»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.
2. Remove the I/P dimmer switch wire harness connector.
3. Remove the I/P dimmer switch.

1. Install the I/P dimmer switch.
2. Install the I/P dimmer switch wire harness connector.
3. Install the left I/P trim panel. Refer to «Instrument Panel (I/P) Trim Panel Replacement - Left»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.

1. Remove the instrument panel (I/P) trim pad. Refer to «Trim Pad Replacement - Instrument Panel (I/P)»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.
2. Remove the ambient light sensor wire harness connector.
3. Remove the ambient light sensor.

1. Install the ambient light sensor.
2. Install the ambient light sensor wire harness connector.
3. Install the I/P trim pad. Refer to «Trim Pad Replacement - Instrument Panel (I/P)»(/chevrolet/malibu/vi-2003-2006/remont/gauges-instrument-panels/#instrument-panel-system-displays-gauges-and-console) in Instrument Panel, Gages and Console.

1. Using a flat-bladed tool, remove the reading lamp bulb lens from the overhead console.
2. Remove the lamp bulb from the console mounting bracket.

1. Install the reading lamp bulb into the overhead console mounting bracket.
2. Install the lamp bulb lens to the overhead console.

1. Insert a flat-bladed tool between the lens and the headliner.
2. Remove the bulbs (1,2,3).
3. Slide the lamp housing to either the left or the right and pull downward.
4. Disconnect the wire connector.

1. Install the wire connector.
2. Install the lamp housing to the headliner.
3. Install the bulbs (1,2,3).
4. Install the lens until the tabs are fully seated.

1. Using a flat-bladed tool, remove the dome lamp bulb lens from the dome lamp assembly.
2. Remove the lamp bulb from the dome lamp mounting bracket.

1. Install the dome lamp bulb into the dome lamp mounting bracket.
2. Install the lamp bulb lens to the dome lamp assembly.

1. Open the hood.
2. Remove the bolts from the headlamp assembly.
3. Lift the headlamp assembly to unseat the tabs on the bottom and the edge of the fender.
4. Disconnect the electrical connector from the headlamp assembly.
5. Remove the headlamp assembly away from the vehicle, if necessary.
6. Remove the headlamp bulb access cover by rotating the headlamp bulb access cover counterclockwise, if necessary.
7. Remove the headlamp bulb from the housing by rotating the socket counterclockwise, if necessary.
8. Disconnect the headlamp bulb electrical connector, if necessary.
9. Remove the park/turn bulb access cover by rotating the cover counterclockwise, if necessary.
10. Remove the park/turn bulb from the housing by rotating the socket counterclockwise, if necessary.
11. Gently pull the park/turn bulb from the socket , if necessary.

1. Install the park/turn bulb into the bulb socket.
2. Install the park/turn bulb socket into the headlamp housing by rotating the socket clockwise.
3. Install the park/turn bulb access cover by rotating the cover clockwise.
4. Connect the headlamp bulb to the headlamp electrical connector.
5. Install the headlamp bulb into the headlamp housing. Rotate the socket clockwise until locked.
6. Install the headlamp bulb access cover by rotating the cover clockwise.
7. Connect the electrical connector to the headlamp assembly.
8. Position the headlamp assembly to the vehicle. Ensure that the tabs on the bottom and the fender edge are seated.
9. Install the bolts to the headlamp assembly. Tighten: Tighten the bolts to 2 N.m (18 lb in).
10. Close the hood.
11. Inspect the headlamp alignment. Adjust the headlamp alignment, if necessary. Refer to «Headlamp Aiming»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems) .

Visual Aiming Preparation Procedure

Headlamp aim should be checked

1. When a new headlamp capsule is installed.
2. If service or repairs to the front end area have, or may have, disturbed the headlamps or their mounting.

The aiming screen should meet the following criteria

1. The area will consist of a level surface large enough to allow for a vehicle and an additional 7.62 m (25 ft) measured from face of lamps to the front of the aiming screen.
2. The screen will be 1.52 m (5 ft) high x 3.66 m (12 ft) wide with a matte white surface well shaded from extraneous light, and properly adjusted to the floor on which the vehicle stands. Provisions should be made to align the aiming screen parallel with the vehicle.
3. The screen shall be provided with a fixed vertical centerline, two laterally adjustable vertical tapes, and one vertically adjustable horizontal tape.
4. If a regular commercial aiming screen is not available, the screen may consist of a vertical wall having a clear uninterrupted area approximately 1.83 m (6 ft) high and 3.66 m (12 ft) wide. The surface should be finished with a washable non-gloss white paint.
5. After the aiming screen has been set up in a permanent location, paint a reference line on the floor directly under the lens of the lamps to indicate the proper location of the headlamps when they are being aimed: Distance between headlamps (1) Center line of screen (2) Adjustable vertical pointer (3) Adjustable horizontal tape (4) Diagram of light screen (5) Vertical center line ahead of right headlamp pointer position (6) 7.62 m (25 ft) (7) Car axis (8) Adjustable vertical pointer Horizontal center line of lamps Vertical center line ahead of left headlamp

Prior to aiming the headlamps, the following steps must be taken

1. Remove any snow, ice or mud from the vehicle.
2. The vehicle must have a full tank of gas.
3. Stop all other work on the vehicle.
4. If any service has been performed on the vehicle, make sure that all of the components are back in their original place.
5. The vehicle must be on a level surface.
6. The vehicle left tires must be aligned with the reference line extending from the screen with the headlamps aligned with the reference line.
7. Do not load any cargo in the vehicle.
8. The vehicle must contain approximately 75 kg (165 lb) on the driver seat.
9. Inflate the tires to the proper pressure.
10. Simulate the vehicle loads if the intended use of the vehicle is for hauling heavy loads or towing a trailer.
11. Rock the vehicle in order to stabilize the suspension.
12. Turn on the headlamps to low beam and observe the left and the top edges of the high intensity zone on the screen. The edges of the high intensity zone should fall within the specifications.

Headlamp Aiming Procedure

1. Open the hood.
2. Measure from the floor to the center of the headlamp bulb. Some headlamps have an aim dot marked on the headlamp lens.
3. At the screen, measure from the floor and place the horizontal tape at the measured distance.
4. Measure from the reference line on the floor to the left headlamp bulb centerline.
5. At the screen, measure from the reference line and place the vertical tape at the measured distance.
6. Measure from the reference line on the floor to the right headlamp bulb centerline.
7. At the screen, measure from the reference line and place the vertical tape at the measured distance.
8. Turn ON the low beam headlamps. Block the light from projecting onto the screen from the passenger side headlamp.
9. Adjust the vertical aim screw of the headlamps to the specifications required by the state and the local authorities, or as shown in step number 8.
10. Repeat the aiming procedure for the passenger side headlamp while blocking the light from projecting onto the screen from the driver side headlamp.
11. Turn the headlamps OFF.
12. Close the hood.

1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/malibu/vi-2003-2006/remont/hoistjack/#general-information__lifting-and-jacking-the-vehicle) in General Information.
2. Disconnect the electrical connector from the front fog lamp assembly.
3. Twist the bulb about 1/4 turn counterclockwise.
4. Remove the fog lamp bulb from the lamp housing.
5. Remove the nuts mounting the front fog lamp assembly to the lower grille.
6. Remove the fog lamp assembly from the lower grille.

1. Install the fog lamp assembly to the lower front grille.
2. Install the front fog lamp mounting nuts. Tighten: Tighten the nuts to 2.5 N.m (22 lb in).
3. Install the fog lamp bulb into the lamp housing.
4. Twist the bulb about 1/4 turn clockwise to lock the bulb into the housing.
5. Connect the electrical connector to the fog lamp assembly.
6. Lower the vehicle.
7. Inspect the fog lamp alignment. Adjust the alignment if necessary. Refer to «Fog Lamp Aiming Procedure»(/chevrolet/malibu/vi-2003-2006/remont/exterior-lights/#lighting-systems) .

1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/malibu/vi-2003-2006/remont/hoistjack/#general-information__lifting-and-jacking-the-vehicle) in General Information.
2. Disconnect the electrical connector from the fog lamp assembly.
3. Twist the bulb about 1/4 turn counterclockwise.
4. Remove the fog lamp bulb from the lamp housing.

1. Install the fog lamp bulb into the lamp housing.
2. Twist the bulb about 1/4 turn clockwise to lock the bulb into the housing.
3. Connect the electrical connector to the fog lamp assembly.
4. Lower the vehicle.

Preparation Procedure

1. Completely assemble all of the components on the vehicle.
2. Place the vehicle on a level surface.
3. Stop all unnecessary operations or work that could affect the ride height of the vehicle.
4. Close the doors and verify that the luggage compartment is empty.
5. Stabilize the suspension by rocking the vehicle sideways.
6. Ensure that the fuel level is full.
7. Ensure that the tires are inflated to the proper pressure.
8. Ensure that the driver or a similar weight , approximately 75 kg (165 lb), is in the vehicle driver seat.

Aiming Procedure

1. Park the vehicle 7.6 m (25 ft) away from the target screen.
2. Measure from the center of the fog lamp to the ground line. Using this measurement, mark the horizontal centerline (2) of the fog lamp on the target screen directly in front of the vehicle.
3. Turn ON the fog lamps. The top of the fog lamp beam image (4) on the target screen should be 102 mm (4 in) below the center of the fog lamp lens height.
4. Adjust the fog lamp as required using the adjusting wing nut on the rear of the fog lamp.
5. Turn OFF the fog lamps.

1. Open the rear compartment.
2. From the underside of the rear compartment, remove the bolts from the center high-mounted stop lamp rear cover.
3. Pinch together the clip, extending through the rear lamp cover. Remove the rear cover from the center high-mounted stop lamp lens assembly.
4. Pinch the top and bottom retaining tabs together to release the center high-mounted stop lamp lens assembly from the rear compartment.
5. Disconnect the electrical connector.
6. Remove the center high-mounted stop lamp from the vehicle.

1. Press the center high-mounted stop lamp lens assembly into the rear compartment outer panel.
2. From the underside of the rear compartment, position the rear cover to slide over the clip. Snap the cover onto the center high-mounted stop lamp lens assembly.
3. Install the bolts to the center high-mounted stop lamp rear cover. Tighten: Tighten the center high-mounted stop lamp bolts to 2 N.m (18 lb in).
4. Connect the electrical connector.
5. Close the rear compartment.

1. Open the liftgate.
2. Remove the liftgate upper trim panel. Refer to «Trim Panel Replacement - Liftgate (Lower)»(/chevrolet/malibu/vi-2003-2006/remont/exterior-body-panels/#body-rear-end) , «Trim Panel Replacement - Liftgate (Upper)»(/chevrolet/malibu/vi-2003-2006/remont/exterior-body-panels/#body-rear-end) and «Trim Panel Replacement - Liftgate (Right or Left)»(/chevrolet/malibu/vi-2003-2006/remont/exterior-body-panels/#body-rear-end) in Body Rear End.
3. Remove the nuts from the center high-mounted stop lamp.
4. Push upward slightly on the center high-mounted stop lamp (CHMSL) to unseat the lamp from the liftgate.
5. From the outside of the liftgate, carefully pull the CHMSL outward to clear the rear spoiler and the liftgate window.
6. Disconnect the electrical connector.

1. Connect the electrical connector.
2. Position the CHMSL to the liftgate. Carefully seat the CHMSL into the lamp opening.
3. From the underside of the liftgate, install the nuts to the CHMSL. Tighten: Tighten the center high-mounted stop lamp bolts to 2 N.m (18 lb in).
4. Close the liftgate.

1. Open the rear compartment.
2. Remove the rear compartment lamp from the rear shelf using a small flat-bladed tool to release the retainers.
3. Disconnect the electrical connector from rear compartment lamp.
4. Remove the bulb from the rear compartment lamp.

1. Install the bulb to the rear compartment lamp.
2. Connect the electrical connector to the rear compartment lamp.
3. Install the rear compartment lamp to the rear shelf pressing into place until fully seated.
4. Close the rear compartment.

1. Using a flat-bladed tool, remove the cargo lamp from the rear quarter trim panel.
2. Disconnect the electrical connector.

1. Connect the electrical connector.
2. Install the cargo lamp in the rear quarter trim panel.

1. Remove the 3 center screws from the rear compartment lid applique. Refer to «Compartment Lid Applique Replacement - Rear»(/chevrolet/malibu/vi-2003-2006/remont/exterior-body-panels/#body-rear-end) .
2. Open the rear compartment lid.
3. From the underside of the rear compartment lid, push in the side retaining tabs to the license lamp to unseat the lamp from the rear compartment lid.
4. From the outside of the rear compartment lid, carefully lift the rear compartment lid applique away from the rear compartment lid. Allow enough clearance for removal of the license lamp.
5. Remove the license lamp.
6. Disconnect the electrical connector.
7. Remove the bulb/socket from the license lamp by rotating the socket counterclockwise.
8. Remove the license lamp bulb from the socket, if required.

1. Install the license lamp bulb to the socket, if required.
2. Install the license lamp socket to the license lamp by rotating the socket clockwise.
3. Connect the electrical connector.
4. Carefully lift the rear compartment lid applique away from the rear compartment lid. Allow clearance for installation of the license lamp.
5. Install the license lamp into the rear compartment lid outer panel.
6. Close the rear compartment lid.
7. Install the 3 center screws to the rear compartment lid applique. Refer to «Compartment Lid Applique Replacement - Rear»(/chevrolet/malibu/vi-2003-2006/remont/exterior-body-panels/#body-rear-end) .

1. Remove the license lamp screws.
2. Reach into the opening in the rear bumper fascia. Rotate the license lamp forward and downward.
3. Pull the lamp through the opening.
4. Turn the license lamp socket counterclockwise to release the socket from the lamp housing.
5. Remove the bulb, if required.

1. Install the bulb, if required.
2. Install the license lamp socket to the lamp housing. Turn the socket clockwise to seat the socket.
3. Tilt the license lamp. Insert the lamp through the opening in the rear bumper fascia.
4. Holding the rear side of the license lamp, hand-start the license lamp screw on one side of the lamp.
5. From the front side of the license lamp, position the lamp to the fascia. Hand-start the screw on the other side of the lamp. Tighten: Tighten the license lam screws to 2 N.m (18 lb in).

1. Open the rear compartment.
2. Remove the screws from the tail lamp.
3. From the inside of the rear compartment, pull back the side trim panel. Remove the wing nut from the tail lamp.
4. Pull the tail lamp rearward to disengage the tail lamp from the quarter panel.
5. Disconnect the electrical connector from the tail lamp wiring harness.
6. Remove the tail lamp, stoplamp, and backup lamp sockets by rotating the sockets counterclockwise.
7. Remove the bulbs from the tail lamp, stop lamp, and/or backup lamp sockets.

1. Install the bulbs to the tail lamp, stop lamp, and/or backup lamp sockets.
2. Install the tail lamp, stop lamp, and/or backup lamp sockets to the tail lamp. Rotate the sockets clockwise until fully seated.
3. Connect the electrical connector to the tail lamp wiring harness.
4. Position the tail lamp to the quarter panel. Ensure that the 2 locking pins are seated.
5. Install the tail lamp screws to the tail lamp. Tighten: Tighten the tail lamp screw to 2 N.m (18 lb in).
6. From the inside of the rear compartment, install the wing nut to the tail lamp.
7. Install the trim panel.
8. Close the rear compartment lid.

1. Open the liftgate.
2. Remove the screws from the tail lamp.
3. Pull the tail lamp rearward to disengage the tail lamp from the quarter panel.
4. Disconnect the electrical connector from the tail lamp wiring harness.
5. Remove the tail lamp, stop lamp, and backup lamp sockets by rotating the sockets counterclockwise.
6. Remove the bulbs from the tail lamp, backup lamp, and/or stop lamp sockets.

1. Install the bulbs to the tail lamp, stop lamp, and/or backup lamp sockets.
2. Install the tail lamp, stop lamp, and/or backup lamp sockets to the tail lamp. Rotate the sockets clockwise until the sockets are fully seated.
3. Connect the electrical connector to the tail lamp wiring harness.
4. Position the tail lamp to the quarter panel. Ensure that the 2 locating pins are seated.
5. Install the tail lamp screws to the tail lamp. Tighten: Tighten the tail lamp screw to 2 N.m (18 lb in).
6. Close the liftgate.

Calibration Criteria

The brake pedal position sensor receives a low reference signal and a 5-volt reference signal from the BCM. Whenever the brake pedal is applied, the brake pedal position sensor applies a variable voltage signal to the BCM through the stop lamp switch signal circuit. Brake pedal position sensor calibration must be performed after the brake pedal position sensor or body control module (BCM) have been serviced. The calibration procedure will set brake pedal position sensor home value. This value is used by the BCM to determine the action of the driver applying the brake system and to provide this information to the vehicle subsystems via the class 2 communication bus.

Calibration Procedure

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics.
4. Select the vehicle.
5. Select Body and Accessories.
6. Select Lighting Systems.
7. Select Special Functions.
8. Select BCM.
9. Select the BPPS sensor calibration procedure and follow the directions displayed on the screen.

Exterior Lamps

The exterior lighting system consist of the following lamps

1. The headlamps
2. The daytime running lamps
3. The fog lamps
4. The park, tail, and marker lamps
5. The turn signal lamps
6. The stop lamps
7. The backup lamps

Headlamps

The headlamps may be turned ON 2 different ways. First, when the driver places the headlamp switch in the HEADLAMP position, for normal operation. Second, with the headlamp switch placed in the AUTO position, for automatic lamp control (ALC). During ALC, the headlamps will be OFF in daylight conditions, or low beam operation in low light conditions. Battery positive voltage is supplied to the low beam relay and the high beam relay in the underhood fuse block. When low beam headlamps are requested, the body control module (BCM) supplies ground to the coil side of the low beam relay. This activates the relay and the relay supplies voltage to the left hand low beam headlamp through the LH LOW BEAM fuse and to the right hand low beam headlamp through the RH LOW BEAM fuse. Ground for the left hand low beam headlamp is provided at G101. Ground for the right hand low beam headlamp is provided at G102. When high beam headlamps are requested, the body control module (BCM) supplies ground to the coil side of the high beam relay. This activates the relay and the relay supplies voltage to the left hand high beam headlamp through the LH HIGH BEAM fuse and to the right hand high beam headlamp through the RH HIGH BEAM fuse. Ground for the left hand high beam headlamp is provided at G101. Ground for the right hand high beam headlamp is provided at G102.

Daytime Running Lamps (DRL)

The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal, it will either turn ON the daytime running lamps (DRL) or the headlights if the headlamp switch is in the AUTO position. Any function or condition that turns ON the headlights will cancel the DRL operation. With the headlight switch in the AUTO position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The DRL illuminates the park/turn signal and DRL lamps. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position, and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.

DRL operation in manual transmission equipped vehicles will occur when the ignition switch is in the ON position, and the parking brake is released.

Fog Lamps

With the ignition switch in the ON position, and the park lamps or low beam headlights ON, the fog lights will illuminate when the driver presses the fog lamp switch. The FRT FOG fuse in the underhood fuse block supplies battery positive voltage to the switch side of the FRT FOG relay. When the fog lamp switch is pressed, the body control module (BCM) fog lamp switch input is grounded. Ground is provided at G203. The BCM will then energize the FRT FOG relay control circuit. The current flow is now from the FRT FOG relay to both front fog lamps and to ground. Ground is provided at G101 and G102. The state of the fog lamps , either ON or OFF, will remain the same until the fog lamp switch is pressed again, or the ignition switch is cycled OFF and ON. Fog lamp operation will be cancelled whenever the park lamps, are turned OFF or the high beam headlights have been selected.

Park, Tail and Marker Lamps

The park, tail, and marker lamps, including the license lamps, are turned ON when the headlamp switch is placed in the PARK or HEADLAMP position, or anytime the headlights are requested. The PARK LAMPS fuse in the rear fuse block supplies battery positive voltage to the PARK LAMP relay switch contacts. The PARK LAMPS fuse in the rear fuse block also supplies battery positive voltage to the PARK LAMP relay coil. When the park lamps are turned ON, the body control module (BCM) energizes the park lamp relay. Current flow is from the PARK LAMP relay to their respective park and marker lamps and to ground. Ground is provided at G101, G102, G401, and G403.

Perimeter Lighting

When a remote unlock is requested and the vehicle is off, doors locked, and a low ambient light is present, then the high beams, park lamps and backup lamps will come on for about 20 seconds or until a door is open, the key is turned to ACC or run, or a remote lock actuation.

Remote Keyless Entry Exterior Lamp Illumination

On vehicles with a remote control door lock receiver (RCDLR), when the RCDLR module receives a door unlock command from the remote keyless entry (RKE) transmitter, the RCDLR module will send a class 2 message to the body control module (BCM) indicating that an UNLOCK command has been received. The BCM will then flash the park lamps twice. With all the doors closed, and the RKE transmitter is used to lock the doors, the park lamps will flash twice. The park lamps will not flash if the rear compartment is opened using the RKE transmitter.

On vehicles without a RCDLR, when the BCM receives a door unlock command from the RKE transmitter, the BCM will then flash the park lamps twice. With all the doors closed, and the RKE transmitter is used to lock the doors, the park lamps will flash twice. The park lamps will not flash if the rear compartment is opened using the RKE transmitter.

Turn Signal Lamps

The body control module (BCM) is responsible for controlling the turn signals and hazard lamps. When the turn signal switch is placed in either the left turn or right turn position, the BCM receives a signal from the turn signal switch. The BCM then sends an on-off voltage signal to either the left or right turn signals and their instrument panel cluster (IPC) indicator. When the hazard switch is pressed, the BCM receives a signal from the hazard switch. The BCM then will send an on-off voltage signal to all the turn signal lamps. All the turn signal lamps will flash including both IPC turn signal indicators.

Stop Lamps

The body control module (BCM) is responsible for controlling the stop lamps. When the driver presses the brake pedal, the BCM will receive a signal from the brake pedal position sensor. The BCM then supplies battery positive voltage to both left and right stop lamp assemblies and to the center high mounted stop lamp (CHMSL). The stop lamps are grounded at G401 and G403. The CHMSL is grounded at G302.

Backup Lamps

The R-BEC 1 fuse in the underhood fuse block supplies battery positive voltage to the BACKUP LAMP relay through the BACKUP LAMP fuse. When the gear selector is placed in reverse, the body control module (BCM) supplies ground to the BACKUP LAMP relay. This energizes the BACKUP LAMP relay and current flows from the BACKUP LAMP relay to the backup lamps and then to ground. The backup lamps are grounded at G401 and G403.

Inadvertent Power

The body control module (BCM) used in this vehicle controls the lighting system through circuits that enable both the exterior lamp functions of park, head, and fog lamps as well as the interior lamps. The BCM opens these enabling circuits shortly after the ignition switch is turned OFF with no lamp switch activity. If the ignition switch is turned to any position other than OFF, or if a lamp switch is activated during this period, the timer will reset itself again.

Interior Lamps

The interior lamps consist of the following 2 groups. The first group are those lamps which may not be dimmed. The second group includes lamps that may be dimmed.

Courtesy/Illuminated Entry Lamps

This group includes lamps that may be manually turned ON by placing the interior lamp switch in the ON position, or by opening a door.

1. The dome lamp
2. The reading lamps
3. The rearview mirror lamps
4. The vanity mirror lamps

The dome lamp switch has 3 positions: DOOR, OFF, and ON. When in the DOOR position, the dome lamp operation is controlled by the body control module (BCM). The ON position provides a ground for continuous operation. Ground is provided at G302. The OFF position turns OFF any dome lamp operation. The courtesy lamps, may be manually turned ON by placing the instrument panel (I/P) dimmer switch in the DOME position. When the dome lamp switch is in the DOOR position, the dome lamp will illuminate when a door is opened. When a door is opened, the courtesy lamps turn ON. After all the doors have been closed, the courtesy lamps will remain illuminated approximately 10 seconds after the last door closes. When the driver places the dome lamp switch in the OFF position, the dome lamp will be disabled.

The inadvertent power control circuit of the BCM supplies battery positive voltage to the dome lamp, reading lamps, and vanity mirror lamps. When any door is opened, the door jam switch contacts close and the door open input to the BCM is grounded.

If the driver inadvertently leaves any interior lamp ON, the BCM will turn it OFF after 20 minutes.

The courtesy lamps will normally turn OFF using the theater dimming feature. The BCM provides a pulse width modulated ground to the dome lamp for the theater dimming feature. The courtesy lamps will also turn OFF immediately if a door lock command is received with all the doors closed, or if the ignition switch is turned to the ON position.

Keyless Entry Interior Illumination

When the driver uses the door key in order to unlock the doors, the body control module (BCM) receives a door unlock signal. The BCM must have inputs that indicate that the ignition switch is OFF, the courtesy lamp switch is OFF, and all the doors are closed. The BCM will then activate the interior lamps. The courtesy lamps will remain ON, approximately 10 seconds after the door is closed. The BCM will then turn them OFF through the theater dimming feature. If the door locks are activated to the LOCK position, or if the ignition switch is turned to either the ON or START position, the courtesy lamps will turn OFF immediately.

On vehicles with a remote control door lock receiver (RCDLR), when the RCDLR module receives a door unlock command from the remote keyless entry (RKE) transmitter, the RCDLR module will send a class 2 message to the BCM indicating that an UNLOCK command has been received. The BCM will keep the courtesy lamps ON approximately 10 seconds and then turn them OFF through the theater dimming feature. If the door locks are activated to the LOCK position, the courtesy lamps will deactivate immediately. When the ignition switch is turned to either the ON or RUN position, the courtesy lamps will deactivate in approximately 1 second.

On vehicles without a RCDLR, when the BCM receives a door unlock command from the RKE transmitter, the BCM will keep the courtesy lamps ON approximately 10 seconds and then turn them OFF through the theater dimming feature. If the door locks are activated to the LOCK position, the courtesy lamps will deactivate immediately. When the ignition switch is turned to either the ON or RUN position, the courtesy lamps will deactivate in approximately 1 second.

Rear Compartment Lamp

The inadvertent power relay also provides battery positive voltage to the rear compartment lamp. When the rear compartment is opened, its switch closes to provide a ground circuit and the rear compartment lamp illuminates. Ground is provided at G401.

Interior Lamps Dimming

The second group includes lamps which may be dimmed. This group may use a combination of vacuum fluorescent (VF) illumination and of incandescent lamps.

1. Adjustable pedal position switch
2. Door switches and window switches
3. Fog lamp switch
4. Heated seat switches
5. HVAC control head assembly
6. Hazard switch
7. Outside rearview mirror switch
8. Power sunroof switch assembly
9. Radio
10. Rear compartment lid release switch
11. Rear seat audio module
12. Steering wheel radio controls
13. The instrument panel cluster (IPC)
14. Traction control switch

When the ignition switch is turned to the ON position, the VF displays (radio) turn ON at maximum brightness. When the park lamps are ON and the ambient light sensor indicates low light conditions, all incandescent back lighting turns ON at the dimming level indicated by the instrument panel (I/P) dimmer switch. At the same time all VF displays dim to match the indicated dimming level. The body control module (BCM) is responsible for the dimming of the interior lights. The BCM receives a varying signal from the I/P dimmer switch. Based on the position of the I/P dimmer switch, the BCM then supplies the appropriate amount of voltage to the interior lamps. When the headlight switch is turned to the PARK or HEADLAMP position, all incandescent back lighting turns ON at the dimming level indicated by the I/P dimmer switch. When the I/P dimmer switch is moved from MIN to MAX, all VF displays, as well as all incandescent back lighting, respond from minimum intensity to maximum brightness in response to the I/P dimmer switch position.

See also:
• Diagnostic System Check - Vehicle
• Testing for Intermittent Conditions and Poor Connections
• Master Electrical Component List
• Circuit Testing
• Wiring Repairs
• Body Control Module (BCM) Programming/RPO Configuration
• Body Control Module Replacement
• Relay Replacement (Within an Electrical Center)
• Connector Repairs
• Control Module References
• Powertrain Control Module (PCM) Replacement
• Checking Aftermarket Accessories
• Diagnostic Starting Point - Doors
• Circuit Protection - Fusible Links
• Multifunction, Turn Signal Switch Replacement
• Instrument Panel Cluster (IPC) Replacement
• Symptoms - Keyless Entry
• Sunshade Replacement (Sedan)
• Fastener Notice
• Halogen Bulb Caution
• Lifting and Jacking the Vehicle
• Trim Panel Replacement - Liftgate (Lower)
• Interior Lights Schematics
• Fog Lights Schematics
• Headlights/Daytime Running Lights (DRL) Schematics
• Exterior Lights Schematics
• Interior Lights Dimming Schematics
• Ambient Light Sensor Replacement
• Backup Lamps Always On
• Backup Lamps Inoperative
• Courtesy Lamps Always On
• Courtesy Lamps Inoperative
• Fog Lamps Always On
• Fog Lamps Inoperative
• Hazard Lamps Inoperative
• Headlamps Always On - Low or High Beam
• Headlamps Inoperative - High Beams
• Headlamps Inoperative - Low Beams
• Headlamps Inoperative - Low and High Beams
• Headlamps Inoperative - Flash to Pass
• High Beam Indicator Inoperative
• Park Lamps Inoperative
• Reading Lamp(s) Inoperative
• Rear Compartment Lamp(s) Inoperative
• Stop Lamps Inoperative
• Turn Signal Lamps and/or Indicators Inoperative