B2602

Description

BCM confirms the shift position with the following 2 signals.
- CVT selector lever
- Speed signal from meter


DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
Security System.
- If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
Security System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine under the following conditions and wait for at least 10 seconds.
-CVT selector lever is in the P or N position
-Depress the brake pedal.
2.Drive the vehicle for at least 10 seconds at a speed greater than 4 km/h (2 MPH).
3.Check "Self diagnostic result" with CONSULT.
Is DTC detected?
YES- .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, Intelligent Key System/Engine Start Function or NVIS.

1. CHECK DTC WITH "COMBINATION METER"

Check "Self diagnostic result" with CONSULT. Testing and Inspection.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning parts.

2. CHECK CVT SHIFT SELECTOR POWER SUPPLY

1.Turn ignition switch to ACC.
2.Disconnect CVT shift selector harness connector.





3.Check voltage between CVT shift selector harness connector
M78 terminal 8 and ground.





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

3. CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT

1.Disconnect BCM harness connector.





2.Check continuity between BCM harness connector M19 (A) terminal 84 and CVT shift selector harness connector M78 (B) terminal 8.





3.Check continuity between BCM harness connector M19 (A) terminal 84 and ground.





Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair harness or connector.

4. CHECK CVT SHIFT SELECTOR CIRCUIT

1.Disconnect BCM harness connector.





2.Check continuity between CVT shift selector harness connector
M78 (B) terminal 9 and BCM harness connector M19 (A) terminal 87.





3.Check continuity between BCM harness connector M19 (A) terminal 87 and ground.





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

5. CHECK CVT SHIFT SELECTOR

B2601.
Is the inspection result normal?
YES- GO TO 6.
NO- Replace CVT shift selector. Removal And Installation.

6. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- Inspection End.