B1282

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1282: Skid Control ECU Communication Stop

DTC B1282 - Skid Control ECU Communication Stop

DESCRIPTION

This DTC is detected when communication between the skid control ECU and network gateway ECU stops for more than 10 seconds.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ABS-IG, IGN)
(a) Remove the ABS-IG fuse from the driver side junction block.
(b) Remove the IGN fuse from the engine room No. 2 relay block.
(c) Measure the resistance of the fuse.
Standard resistance:






NG -- REPLACE FUSE
OK -- Continue to next step.
2. CHECK WIRE HARNESS (SKID CONTROL ECU - BATTERY AND BODY GROUND)




(a) Disconnect the S5, S6, S7 and S8 ECU connectors.
(b) Measure the voltage and resistance of the wire harness side connectors.
Standard voltage:





Standard resistance





NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
3. CHECK RESISTANCE OF COMMUNICATION LINE




(a) Disconnect the A21 sensor connector.
(b) Disconnect the C8 meter connector.
(c) Disconnect the S6 and S7 ECU connectors.
(d) Measure the resistance of the wire harness side connectors.
Standard resistance:






Result





C -- REPAIR OR REPLACE HARNESS AND CONNECTOR
B -- REPLACE SKID CONTROL ECU AND REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- REPLACE SKID CONTROL ECU