Vehicle Ignition Signal

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

Vehicle Ignition Signal

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

MALFUNCTION CODE NO. 54 (DTC C1735)


1. CAN IGNITION SIGNAL

Check BCM IGN RLY signal with CONSULT. 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.