B2198

B2198 NATS ANTENNA AMP.

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition), and wait 15 to 60 minutes. Refer to "POWER CONSUMPTION CONTROL SYSTEM : System Description" Power Consumption Control System.
2.Turn power switch ON.
3.Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK FUSE

1.Turn power switch OFF.
2.Check that the following fuse in IPDM E/R is not blown.





Is the inspection result normal?
YES- GO TO 2.
NO- Replace the blown fuse after repairing the cause of blowing.

2. CHECK NATS ANTENNA AMP. POWER SUPPLY

1.Disconnect NATS antenna amp. connector.
2.Check voltage between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 3.

3. CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1.Disconnect IPDM E/R connector.
2.Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.





Is the inspection result normal?
YES- Replace IPDM E/R. Refer to "Removal and Installation" Removal And Installation.
NO- Repair or replace harness.

4. CHECK NATS ANTENNA AMP. GROUND CIRCUIT

Check continuity between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

5. CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 1

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 6.

6. CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 1

1.Disconnect BCM connector.
2.Check continuity between NATS antenna amp. harness connector and BCM connector.





3.Check continuity between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 9.
NO- Repair or replace harness.

7. CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 2

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES- Replace NATS antenna amp. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 8.

8. CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 2

1.Disconnect BCM connector.
2.Check continuity between NATS antenna amp. harness connector and BCM connector.





3.Check continuity between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 9.
NO- Repair or replace harness.

9. REPLACE BCM

1.Replace BCM. Refer to "Removal and Installation" Service and Repair.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
- INSPECTION END