B2201

B2201 COMMUNICATION ERROR 1





Description
The communication line (LCD [-] AMP.) is used to communicate signals between the combination meter and the unified meter and A/C amp. in order to control the information display.




DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
1.CHECK CONNECTOR
Check combination meter, unified meter and A/C amp. and terminals (combination meter side, unified meter and A/C amp. side, and harness side) for looseness or bent.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair terminal or connector.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and unified meter and A/C amp. connector.
3. Check continuity between combination meter harness connector terminal and unified meter and A/C amp. harness connector terminal.





4. Check continuity between combination meter harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK UNIFIED METER AND A/C AMP. OUTPUT VOLTAGE
1. Connect unified meter and A/C amp. connector.
2. Turn ignition switch ON.
3. Check voltage between unified meter and A/C amp. harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Replace unified meter and A/C amp.
4.CHECK COMBINATION METER OUTPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect unified meter and A/C amp. connector.
3. Connect combination meter connector.
4. Turn ignition switch ON.
5. Check voltage between combination meter harness connector terminal and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace combination meter.