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SERVICE BRAKES
Anti-lock Braking System Troubleshooting
E-7
When diagnostic trouble code “52 MOTOR RELAY” is displayed
[Explanation]
l
When the motor ground is disconnected and
The ABS ECU outputs this diagnostic trouble code
the motor does not revolve
for the motor relay and motor in the following cases.
l
When the motor continues to revolve
l
When the motor relay does not function
[Hint]
l
When there is trouble with the motor itself and
If there is motor operation noise
scan tool
it does not revolve
forced drive mode; there is a broken
short cir-
cuited motor monitor wire.
M
------
10
10---------
2
2
Does the motor make a noise
during scan tool forced drive
mode?
Remove the motor relay.
Remove the motor relav and
check resistance values.’
No.
86: Resistance
value 72-88
No.
87: No continuity
Battery voltage is applied be-
tween terminals No. 85 and
No. 86.
No.
87: Continuity
Yes
No
Motor relay malfunction
Replace motor relay.
Is pump motor ground
normally?
Connect ground wire.
connector terminal
11
and
ground indicate battery
Broken wire in pump motor
power circuit
Yes
Is resistance between body
Repair
connector terminal No. 5 and
around
tive voltaae?
Yes
Repair harness.
Is resistance between HU con- No
terminals No. 1 and
H a r n e s s i n H U
No. 10 72-88
Is resistance between body
connector terminal No. 2 and
No. 26 72-88
HU and ECU
ABS ECU malfunction
Replace ABS ECU.
TSB Revision
Содержание 1992 3000GT
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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...
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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...
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