Suzuki XL7 2007 Service Manual page 2372

9B-51 Lighting Systems:
Circuit/System Verification
Ignition ON, cover the ambient light sensor, vary the
interior lamp dimming switch from dim to full bright. The
I/P lamps should dim and then become full bright.
Circuit/System Testing
1. Clear the DTC. Disconnect the headlamp switch.
2. Connect a DMM between the I/P dimming voltage
reference circuit and the negative terminal of the
battery.
3. Ignition ON, test for 9-14 volts.
➢ If less then 9 volts, test the I/P dimming voltage
reference circuit for a short to ground or an open/
high resistance. If the circuit/connections test
normal, replace the BCM.
➢ If greater than 14 volts, test the I/P dimming voltage
reference circuit for a short to voltage. If the circuit/
connections test normal, replace the BCM.
DTC B3867
Diagnostic Instructions
• Perform the "Diagnostic System Check - Vehicle Diagnostic Information: " prior to using this diagnostic procedure.
• Review "Strategy Based Diagnosis: " for an overview of the diagnostic approach.
• "Diagnostic Procedure Instructions - Vehicle Diagnostic Information: " provides an overview of each diagnostic
category.
DTC Descriptor
DTC B3867 00: Right Park Lamp Control Circuit
Diagnostic Fault Information
Circuit
Right Park Lamp Control Circuit
1. Right Park Lamp Inoperative
2. Right Park Lamp Always On
4. Disconnect the DMM. Install a jumper between I/P
dimming voltage reference circuit and the I/P
dimming control circuit.
5. Verify that DTC B3600 03 does not set.
➢ If the DTC resets, then test for a short to ground in
the I/P dimming control circuit. If the circuit/
connections test normal, replace the BCM.
6. If all circuits/connections test normal, replace the
turn signal multi function switch.
Repair Instructions
Perform the "Diagnostic Repair Verification - Vehicle
Diagnostic Information: " after completing the diagnostic
procedure.
• "Turn Signal Multifunction Switch Replacement: "
• "Control Module References: " for BCM replacement,
setup, and programming
Short to Open/High
Ground Resistance
2 1
Signal
Short to Voltage
Performance
B3867 00 —