SERVICE BRAKES Anti-lock Braking System Troubleshooting
B
ABS warning light stays on when the ignition key is in the “ON” position.
[Explanation]
[Hint]
This is the symptom when the ABS ECU does not
Check the on-board diagnostic output and if there
power up due to broken ECU power circuit, etc.,
is no output voltage or if the scan tool and ABS
when the fail safe function operates and isolates
ECU cannot communicate, there is a good
the system or when the warning light drive circuit
that power is not flowing to the ECU.
is short circuited.
Caution
l
If the diagnostic trouble code is output, the
system can be in the fail safe mode. In such
a case, erase the diagnostic trouble code
and then restart the engine to check if the
system is currently in a fault condition.
RELAY
___
10
25
Is there diagnosis output?
(Is there communication with
scan tool?)
I
Yes
Does diagnostic trouble code
output display normal codes?
Yes
No
Does the ABS warning light re-
Short in ECU transistor
main illuminated even with the
ECU connector disconnected?
Yes
Replace ECU.
Does the ABS warning light re-
main illuminated even with the
HU connector disconnected?
Yes
or ECU and ABS warning light
TSB Revision
Содержание 1992 3000GT
Страница 1: ......
Страница 2: ......
Страница 104: ...13 2...
Страница 118: ...13A 14 MULTIPORT FUEL INJECTION Special Tools TSB Revision...
Страница 288: ...13A 184 MULTIPORT On Vehicle Inspection of MFI FUEL INJECTION Comtaonents Camshaft position sen 1TSB Revision...
Страница 394: ...NOTES...
Страница 460: ...NOTES...
Страница 532: ...NOTES...
Страница 536: ...21 4 CLUTCH Troubleshooting Excessive wear of clutch disc facin I LJ 1 TSB Revision...
Страница 556: ...NOTES...
Страница 570: ...22 14 MANUAL TRANSAXLE AWD Special Tools SPECIAL TOOLS Oil seal installer TSB Revision...
Страница 582: ...i...
Страница 584: ...I di...
Страница 586: ......
Страница 588: ......
Страница 590: ......
Страница 592: ......
Страница 594: ......
Страница 596: ......
Страница 598: ......
Страница 600: ...I I I LJ LJ I L...
Страница 608: ...23 18 AUTOMATIC TRANSAXLE Troubleshooting Excessive vibration shock during upshift TSB Revision...
Страница 609: ...AUTOMATIC TRANSAXLE Troubleshooting 23 I 9 L L 1 TSB Revision...
Страница 668: ...NOTES...
Страница 692: ...NOTES...
Страница 752: ...33 2 NOTES...
Страница 766: ...NOTES...
Страница 809: ...REAR SUSPENSION AWD Special Tools 34 23 B lMB990244 i TSB Revision...
Страница 810: ...34 24 REAR SUSPENSION AWD Troubleshooting TROUBLESHOOTING TSB Revision...
Страница 946: ...NOTES...
Страница 958: ...NOTES...
Страница 960: ...37 2...
Страница 964: ...37A 4 STEERING Snecial Tools SPECIAL TOOLS Preload socket General service TSB Revision...
Страница 994: ...NOTES...
Страница 1006: ...NOTES...
Страница 1068: ...42 62 BODY Sunroof SUNROOF SWITCH CONTINUITY CHECK 18FO403 TSB Revision...
Страница 1070: ...NOTES I...
Страница 1103: ...52 1 i INTERIOR CONTENTS INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 528 i...
Страница 1104: ...52 2 NOTES...
Страница 1220: ...NOTES dl...
Страница 1307: ...1 1 I I I 1 I 1 1 I I I j I i i i I i I j j...
Страница 1308: ......