TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS — Diagnostic Procedure 4 (Low voltage) — Malfunction code No. 57
BR-7040flowchartDiagnostic Procedure 4 (Low voltage) — Malfunction code No. 57
1
CHECK CONNECTOR — 1. Disconnect ABS actuator and electric unit connector. Check terminals for damage or loose connections. Then reconnect connector. 2. Carry out self-diagnosis again. Does warning lamp activate again?
No
Inspection end
Yes
2
A — CHECK ABS CONTROL UNIT POWER SUPPLY CIRCUIT. 1. Disconnect ABS actuator and electric unit connector. 2. Check voltage between ABS actuator and electric unit connector (E96) terminal 15 and ground. Battery voltage should exist when ignition switch is turned ON.
OK
CHECK ABS CONTROL UNIT GROUND — Refer to ABS ACTUATOR AND ELECTRIC UNIT GROUND in Ground Circuit Check, BR-7032.
NG
3
(A) See below.
4
CHECK FUSE — Check 10A fuse [12]. For fuse layout, refer to POWER SUPPLY ROUTING in EL section.
NG
Replace fuse.
OK
5
CHECK ABS ACTUATOR AND ELECTRIC CONTROL UNIT POWER SUPPLY CIRCUIT — Check continuity between battery and ABS actuator and electric unit connector (E96) body side terminal 15.
NG
Check the following: • Harness connector (E96). • Harness for open or short between ABS actuator and electric unit and fuse. If NG, repair harness or connector.
OK
6
Check battery. Refer to BATTERY in EL section.