DTC B1214 Short to B+ in Door System Communication Bus Malfunction
DTC B1215 Short to GND in Door System Communication Bus Malfunction
DESCRIPTION
DTCs B1214 and B1215 are output when a short to +B or the body ground occurs on the communication bus. Detecting this condition disables all the BEAN communication and outputs some DTCs.
DTC No. |
DTC Detection Condition |
Trouble Area |
B1214 |
Communication circuit and +B battery system short |
|
B1215 |
Communication circuit and body ground short |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE: Disconnect connectors in operational sequence, and start the next operation after the connectors are connected
1 CHECK DTC (MULTIPLEX NETWORK BODY ECU - COMBINATION METER)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, there is a malfunction between the B7 connector of the multiplex network body ECU and the combination meter.
2 CHECK DTC (COMBINATION METER)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the combination meter is malfunctioning.
3 CHECK DTC (A/C AMPLIFIER)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the A/C amplifier is malfunctioning.
4 CHECK HARNESS AND CONNECTOR (COMBINATION METER - A/C AMPLIFIER)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the wire harness between the combination meter and the A/C amplifier is malfunctioning.
5 CHECK DTC (AIRBAG SENSOR ASSEMBLY)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the airbag sensor assembly is malfunctioning.
6 CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - AIRBAG SENSOR ASSEMBLY)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the wire harness between the A/C amplifier and airbag sensor assembly is malfunctioning.
7 CHECK DTC (MULTIPLEX NETWORK BODY ECU)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the multiplex network body ECU is malfunctioning.
REPAIR OR REPLACE HARNESS OR CONNECTOR (AIRBAG SENSOR ASSEMBLY - MULTIPLEX NETWORK BODY ECU)
8 CHECK DTC (POWER SLIDE DOOR ECU LH)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the power slide door ECU LH is malfunctioning
9 CHECK DTC (POWER SLIDE DOOR ECU RH)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the power slide door ECU RH is malfunctioning.
10 CHECK DTC (POWER BACK DOOR ECU)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the power back door ECU is malfunctioning.
11 CONFIRM MODEL
Result
12 CHECK DTC (SEAT POSITION CONTROL ECU)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the seat position control ECU is malfunctioning.
13 CHECK DTC (OUTER MIRROR CONTROL ECU LH)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the outer mirror control ECU LH is malfunctioning.
14 CHECK DTC (OUTER MIRROR CONTROL ECU RH)
OK: DTC B1214 or B1215 is not output.
HINT: When the output of the DTC stops, the outer mirror control ECU RH is malfunctioning.
15 CHECK HARNESS AND CONNECTOR
HINT: *1: with Driving position memory
Standard voltage
HINT: *1: with Driving position memory
Standard resistance
HINT: *1: with Driving position memory
REPLACE MULTIPLEX NETWORK GATEWAY ECU
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DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
62-44
Operation error ...
Definition of terms
Terms
Definitions
Monitor Description
Description of what ECM monitors and how to detect malfunctions
(monitoring purpose and details).
Related DTCs
A group of diagnostic trouble codes that are output by ECM based on
the same malfunction detection lo ...