Security System Coupe

B2602 SHIFT POSITION





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. Security System Coupe.
- If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Security System Control Unit Coupe.






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-III.
Is DTC detected?
YES - Security System Coupe.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Intelligent Key System/Engine Start Function Coupe.
1.CHECK DTC WITH "COMBINATION METER"
Check "Self diagnostic result" with CONSULT-III. 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 (park position switch) harness connector.





3. Check voltage between CVT shift selector (park position switch) harness connector 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 (park position switch) harness connector M23 (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 (park position switch) harness connector and BCM harness connector.





3. Check continuity between CVT shift selector (park position switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Repair harness or connector.
5.CHECK CVT SHIFT SELECTOR
Security System Coupe.
Is the inspection result normal?
YES - GO TO 6
NO - Replace CVT shift selector. Removal And Installation (RE0F09B) or Exploded View Removal And Installation, "Removal and Installation" (RE0F10A).
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.