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
Basic inspection
(a) WHEN MEASURING RESISTANCE OF
ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance
measurements should be made at an ambient
temperature of 20°C (68°F). Resistance
measurements may be inaccurate if measured
at high temperatures, i.e. immediately after the
vehicle has been running ...
Seat Belt Buckle Switch LH Circuit Malfunction
DTC B0126/27 Seat Belt Buckle Switch LH Circuit Malfunction
DESCRIPTION
The seat belt buckle switch LH circuit consists of the center airbag sensor
assembly and the front seat
inner belt assembly LH.
DTC B0126/27 is recorded when a malfunction is detected in the seat belt buckle
switch LH ...
How to use this manual
GENERAL INFORMATION
1. GENERAL DESCRIPTION
(a) This manual is written in accordance with SAE J2008.
(b) Repair operations can be separated mainly in the following 3 processes:
(1) Diagnosis
(2) Removing / Install ...