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
Rear Speed Sensor RH Circuit
DESCRIPTION
Refer to DTCs C0200/31, C0205/32, C1235/35, and C1236/36 (See page BC-17).
DTCs C1273/73 to C1278/78 can be deleted when the speed sensor sends a vehicle
speed signal or the
Test Mode ends. DTCs C1273/73 to C1278/78 are output only in the Test Mode.
HINT:
DTC C0210/33 ...
Removal
1. REMOVE FRONT WHEELS
2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
HINT:
(See page SP-26)
3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
5. REMOVE NO. 1 FRONT STABILIZ ...
Removal
1. PRECAUTION
HINT:
See page RS-1
2. DISCONNECT BATTERY NEGATIVE TERMINAL
Wait for 90 seconds after disconnecting the battery
terminal to prevent the airbag working.
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEERING WHEEL COVER LOWER NO.2
(See page RS-424)
5. REMOVE STEERING WH ...