Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between DLC and HVAC circuit
Main line between A-bag and ABS circuitTrunk release solenoid
Description
Performs trunk lid open with signal from BCM.
Component Function Check
1. CHECK TRUNK LID OPENER CANCEL SWITCH
Check trunk lid opener cancel switch position.
2. CHECK FUNCTION
Perform Active Test TRUNK/GLASS HATCH with CONSULT.
Touch "OPEN" and check that trunk lid opens
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Wiring diagram
ENGINE CONTROL SYSTEM
Wiring Diagram
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B2603 shift position status
Description
BCM confirms the shift position with the following 2
signals.
CVT selector lever
P/N position switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2603 is displayed with DTC
U1000, first perform the trouble diagnosis for DTC U1000. Refer to
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