Vehicle Ignition Signal

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS


Vehicle Ignition Signal


MALFUNCTION CODE NO. 54 (DTC C1735)
1.CAN IGNITION SIGNAL
Check BCM IGN RLY signal with CONSULT-III. Terminal And Reference Value.
Are the inspection results normal with the ignition switch ON?
YES - GO TO 2.
NO - Check CAN system. Trouble Diagnosis Flow Chart.
2.BCM POWER SUPPLY
Check BCM power supply (ignition ON). Component Tests and General Diagnostics.
Is the power supply with the ignition switch ON normal?
YES - GO TO 3.
NO - Repair power supply as necessary.
3.DRIVE VEHICLE
Clear DTC and then test drive the vehicle and check the low tire pressure warning lamp.
Does the vehicle operate without any low tire pressure warning lamp?
YES - Inspection End.
NO - Replace BCM. Service and Repair.