If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the chart below (Proceed to the page given for that circuit).
MULTIPLEX COMMUNICATION SYSTEM
|
DTC Code |
Detection Item |
Trouble Area |
| B1200 | MPX Body ECU Stop |
|
| B1208 | Passenger Side Outer Mirror ECU |
|
| B1209 | Driver Side Outer Mirror |
|
| B1214 | Short to B+ in Door System Communication Bus Malfunction |
|
| B1215 | Short to GND in Door System Communication Bus Malfunction |
|
| B1216 | Rear Door ECU RH Communication Stop |
|
| B1217 | Rear Door ECU LH Communication Stop |
|
| B1262 | A/C ECU Communication Stop |
|
| B1271 | Combination Meter ECU Communication Stop |
|
| B1272 | Power Seat ECU Communication Stop |
|
| B1281 | Airbag ECU Communication Stop |
|
| B1287 | Back Door ECU Communication Stop |
|
HINT: When DTCs indicating "+B or GND short malfunction of communication bus" (B1214, B1215) are detected at the same time as DTCs indicating "communication stop" (B1200, B1208, etc.), repair DTCs indicating "+B or GND short malfunction of communication bus" first.
DTC check / clear
MPX Body ECU StopRemoval
1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH
2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG
3. REMOVE FRONT DOOR ARMREST BASE PANEL
ASSEMBLY
4. REMOVE BACK FRAME PLATE
5. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
6. REMOVE FRONT DOOR TRIM BOARD SUBASSEMBLY
7. REMOVE OUTER RE ...
Open in Pump Motor Circuit
DTC C1251/51 Open in Pump Motor Circuit
DESCRIPTION
The motor relay (semiconductor relay) is housed in the brake actuator
assembly and drives the pump
motor based on a signal from the skid control ECU.
WIRING DIAGRAM
Refer to DTCs C0273/13 and C0274/14 (See page BC-31).
INSPECTION PROCED ...
2Gr-fe emission control
SST
RECOMMENDED TOOLS
EQUIPMENT
SSM
2GR-FE INTAKE
EQUIPMENT
PREPARATION 2GR-FE EXHAUST
EQUIPMENT
...