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417-04 Daytime Running Lamps (DRL) > < 417-01 Exterior Lighting|Specifications

Galaxy 2000.75 (04.2000-02.2006)

Interior Lighting - Interior Lighting Galaxy 2000.75 (04/2000-02/2006)
Diagnosis and Testing

Refer to Wiring Diagrams Section 417-02, for schematic and connector information.

Inspection and Verification – All Vehicles

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Electrical
Fuse(s)
Wiring harness
Electrical connector(s)
Bulb(s)
Lamp(s)
Switch(es)
Central junction box (CJB)
Battery junction box (BJB)
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart.

Symptom Chart

Symptom Chart

Symptom Possible Sources Action
The interior lamps are inoperative
*
Circuit(s).
*
CJB.
*
BJB.
*
GO to Pinpoint Test A. .
The interior lamp(s) stay on continuously
*
Interior lamp(s).
*
INSTALL a new interior lamp(s). Test the lamp for normal operation.
The interior lamps do not turn on with one door open
*
Circuit(s).
*
Switch(es).
*
GO to Pinpoint Test B. .
Illuminated entry does not fade-out
*
Circuit(s).
*
Entry illumination delay relay.
*
REPLACE the entry illumination delay relay.
The vanity mirror lamp(s) are inoperative
*
Vanity mirror lamp.
*
Circuit(s).
*
GO to Pinpoint Test C. .
The glove compartment lamp is inoperative
*
Glove compartment lamp.
*
Glove compartment lamp switch.
*
Circuit(s).
*
GO to Pinpoint Test D. .

Pinpoint Tests

NOTE:
NOTE:Use a digital multimeter for all electrical measurements.

PINPOINT TEST A : THE INTERIOR LAMPS ARE INOPERATIVE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
A1: CHECK INTERIOR LAMP CIRCUIT FOR OPEN.
1
Disconnect Interior Lamp C508.
2
Disconnect CJB C7.

3
Measure the resistance between interior lamp C508 pin 3, (RD/BK), harness side and CJB C7 pin 4, (RD/BK), harness side.

Is the resistance less than 5 ohms?
Yes
GO to A2. .
No
REPAIR the CJB circuit C7 pin 4 (RD/BK) to splice S245. For additional information, refer to the wiring diagrams. TEST the system for normal operation.
A2: CHECK THE POWER TO THE CJB

1
Measure the voltage between the CJB C7 pin 7, (RD/BK), harness side and ground.

Is the voltage greater than 10 volts?
Yes
INSTALL a new CJB. TEST the system for normal operation.
No
GO to A3. .
A3: CHECK F100 (3A) FOR POWER
1
Disconnect F100 (3A).

2
Measure the voltage between F100 (3A) positive side, and ground.

Is the voltage greater than 10 volts?
Yes
GO to A4. .
No
INSTALL a new BJB. TEST the system for normal operation.
A4: CHECK THE CJB CIRCUIT FOR OPEN.
1
Disconnect BJB C29.

2
Measure the resistance between BJB F100 (3A) negative side and BJB C29 pin 1, component side.

Is the resistance less than 5 ohms?
Yes
REPAIR the circuit BJB C29 pin 1, (RD/BK), to CJB C7 pin 7, (RD/BK). For additional information, refer to the wiring diagrams. TEST the system for normal operation.
No
INSTALL a new BJB. TEST the system for normal operation.

PINPOINT TEST B : THE INTERIOR LAMP DOES NOT TURN ON WITH ONE DOOR OPEN
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
B1: CHECK ALL THE DOOR ENTRY SWITCH(ES) FOR CORRECT OPERATION.
1
Open and close each door in turn, observe the interior lamp(s) operation.

Is the interior lamp(s) illumination inoperative with the RH front door open?
Yes
RH drive vehicles, GO to B2. . LH drive vehicles GO to B4. .
No
The interior lamp illumination is inoperative with the LH front door open (RH drive vehicles), GO to B7. . The interior lamp illumination is inoperative with the LH front door open (LH drive vehicles), GO to B9. . The interior lamp illumination is inoperative with the RH rear door open, GO to B11. . The interior lamp illumination is inoperative with the LH rear door open, GO to B13. .
B2: CHECK THE RH FRONT DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect RH Front Door Entry Switch C228.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 7, (BN/YE), harness side and RH front door entry switch C228 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B3. .
No
REPAIR the circuit. TEST the system for normal operation.
B3: CHECK THE RH FRONT DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the RH front door entry switch C228 pin 1, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new RH front door entry switch. TEST the system for normal operation. If concern persists, INSTALL a new CJB.
No
REPAIR the circuit. TEST the system for normal operation.
B4: CHECK THE RH FRONT DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect RH Front Door Entry Switch C228.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 6, (BN/YE), harness side and the RH front door entry switch C228 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B5. .
No
REPAIR the circuit. TEST the system for normal operation.
B5: CHECK THE RH FRONT DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the RH front door entry switch C228 pin 1, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new RH front door entry switch. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
B6: CHECK THE LH FRONT DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect LH Front Door Entry Switch C227.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 6, (BN/YE), harness side and the LH front door entry switch C227 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B7. .
No
REPAIR the circuit. TEST the system for normal operation.
B7: CHECK THE LH FRONT DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the LH front door entry switch C227 pin 1, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new LH front door entry switch. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
B8: CHECK THE LH FRONT DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect LH Front Door Entry Switch C227.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 7, (BN/YE), harness side and the LH front door entry switch C227 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B9. .
No
REPAIR the circuit. TEST the system for normal operation.
B9: CHECK THE LH FRONT DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the LH front door entry switch C227 pin 1, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new LH front door entry switch. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
B10: CHECK THE RH REAR DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect RH Rear Door Entry Switch C230.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 6, (BN/YE), harness side and the RH rear door entry switch C230 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B11. .
No
REPAIR the circuit. TEST the system for normal operation.
B11: CHECK THE RH REAR DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the RH rear door entry switch C230 pin 2, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new RH rear door entry switch. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
B12: CHECK THE LH REAR DOOR ENTRY SWITCH CIRCUIT FOR OPEN
1
Disconnect RH Rear Door Entry Switch C229.
2
Disconnect CJB C1.

3
Measure the resistance between the CJB C1 pin 6, (BN/YE), harness side and the LH rear door entry switch C229 pin 3, (BN/YE), harness side.

Is the resistance less than 5 ohms?
Yes
GO to B13. .
No
REPAIR the circuit. TEST the system for normal operation.
B13: CHECK THE LH REAR DOOR ENTRY SWITCH GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the LH rear door entry switch C229 pin 2, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new LH rear door entry switch. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.

PINPOINT TEST C : THE VANITY MIRROR LAMP(S) ARE INOPERATIVE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
C1: CHECK THE VANITY MIRROR LAMP FOR POWER
1
Disconnect Vanity Mirror Lamp C407.

2
Measure the voltage between the vanity mirror lamp C407 pin 1, (RD/BK) - (drivers side) or C417 pin 1, (RD/BK) - (passengers side), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to C2. .
No
REPAIR the circuit. TEST the system for normal operation.
C2: CHECK THE VANITY MIRROR LAMP GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the vanity mirror lamp C407 pin 2, (BN) - (driver side) or C417 pin 2, (RD/BK) - (passenger side), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new sun visor. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.

PINPOINT TEST D : THE GLOVE COMPARTMENT LAMP IS INOPERATIVE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
D1: CHECK THE GLOVE COMPARTMENT LAMP CIRCUIT FOR POWER
1
Disconnect Glove Compartment Lamp C383.
2
Make sure the glove compartment is fully opened.

3
Measure the voltage between the glove compartment lamp C383 pin 2, (RD/BK), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to D2. .
No
GO to D3. .
D2: CHECK THE GLOVE COMPARTMENT LAMP GROUND CIRCUIT FOR OPEN

1
Measure the resistance between the glove compartment lamp C383 pin 1, (BN), harness side and ground.

Is the resistance less than 5 ohms?
Yes
INSTALL a new glove compartment lamp. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.
D3: CHECK THE GLOVE COMPARTMENT LAMP SWITCH FOR POWER
1
Disconnect Glove Compartment Lamp Switch C378.

2
Measure the voltage between the glove compartment lamp switch C378 pin 1, (RD/BK), harness side and ground.

Is the voltage greater than 10 volts?
Yes
GO to D4. .
No
REPAIR the circuit. TEST the system for normal operation.
D4: CHECK THE GLOVE COMPARTMENT LAMP SWITCH
1
Connect Glove Compartment Lamp C383.

2
Connect a fused jumper wire between the glove compartment lamp switch C378, pin 1, and pin 2 harness side.

Does the glove compartment lamp illuminate?
Yes
INSTALL a new glove compartment lamp switch. TEST the system for normal operation.
No
REPAIR the circuit between the glove compartment lamp switch C378 pin 2, (RD/BK) and the glove compartment lamp C383 pin 2, (RD/BK). TEST the system for normal operation.

417-04 Daytime Running Lamps (DRL) > < 417-01 Exterior Lighting|Specifications