B2603

B2603 SHIFT POSITION STATUS





Description
BCM confirms the shift position with the following 2 signals.
- CVT selector lever
- Transmission range switch




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine under the following conditions and wait for at least 1 second.
- CVT selector lever is in the P position.
- Do not depress the brake pedal.
2. Shift to N and wait for at least 1 second.
3. Shift to any other gear other than P and wait for at least 1 second.
4. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - B2603.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Intelligent Key System/Engine Start Function.
1.CHECK DTC WITH IPDM E/R
Check "Self diagnostic result" with CONSULT-III. B2603.
Is the inspection result normal?
YES - GO TO 2
NO - Repair or replace malfunctioning parts.
2.CHECK DTC WITH HV ECU
Check "Self diagnostic result" with CONSULT-III. B2603.
Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace malfunctioning parts.
3.CHECK TRANSMISSION RANGE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect hybrid vehicle control ECU harness connector and BCM harness connector.





3. Check continuity between hybrid vehicle control ECU harness connector E65 (A) terminal 37 and BCM harness connector M18
(B) terminal 48.





4. Check continuity between hybrid vehicle control ECU harness connector E65 (A) terminal 37 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair harness or connector.
4.CHECK CVT SHIFT SELECTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector harness connector.





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





Is the inspection result normal?
YES - GO TO 6
NO - GO TO 5
5.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 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. Body Control System.
NO - Repair harness or connector.
6.CHECK CVT SHIFT SELECTOR CIRCUIT
1. Disconnect BCM harness connector.





2. Check continuity between BCM harness connector M19 (A) terminal 87 and CVT shift selector harness connector M23 (B) terminal 9.





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





Is the inspection result normal?
YES - GO TO 7
NO - Repair harness or connector.
7.CHECK CVT SHIFT SELECTOR
B2601.
Is the inspection result normal?
YES - GO TO 8
NO - Replace CVT shift selector. Removal And Installation.
8.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.