Mazda MX-6 1998, Руководство по ремонту

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TROUBLESHOOTING
N o te
• The ABS warning light normally Illuminates for 2—4 seconds after ignition switch is turned to ON.
• If any symptoms have occurred in the past but are now okay, malfunction of related harness could be the
possible cause and thus ABS CM is normal.
6 W hen IG s w itc h is tu rn e d to ON, b o th TCS in d ic a to r lig h t and TCS OFF lig h t illu m in a te
[TROUBLESHOOTING HINTS]
• Malfunction of ABS/TCS CM or PCM
• Malfunction of harness on TCS indicator light or TCS OFF light
• Communication error, between TCS CM and PCM
• Malfunction of engine control system
STEP INSPECTION
ACTION
1 Perform PCM on-board diagnostic Inspection.
Is DTC displayed? Yes Go to Engine On-board Diagnosis.
No Go to next step.
2 Perform ABS/TCS on-board diagnostic
Inspection.
Is DTC displayed?
Yes Repair problem found during DTC inspection.
No
Go to next step.
3’ Inspect harness between ABS/TCS CM and
instrument cluster (ABS/TCS warning light) for
open/short circuit and connector pins for
looseness.
Is the harness okay?
Yes Replace ABS/TCS CM.
No Repair or replace harness.
Caution
• R e c h e c k th e d ia g n o s tic tro u b le c o d e a fte r re p a ir c o m p le tio n .
N o te
• The ABS warning light normally illuminates for 2— 4 seconds after ignition switch is turned to ON.
• If any symptoms have occurred in the past but are now okay, malfunction of related harness could be the
possible cause and thus ABS CM is normal.
7
When IG switch is turned to ON, both ABS warning light and TCS OFF light illuminate
[TROUBLESHOOTING HINTS]
• Low battery voltage
• Poor connection or disconnection of ABS/TCS CM connection
• Poor GND of ABS/TCS CM
• Malfunction of ABS/TCS CM
STEP
INSPECTION
ACTION
1 Inspect ABS fuse (10 A).
Is the fuse blown?
Yes Replace fuse.
No Go to next step.
2 Drive the vehicle at 10 km/h {6.2 mph} for 5
seconds, then inspect the ABS/TCS warning
lights.
Do both lights go off after driving?
Yes System is okay. (Erase memory)
No Go to next step.
3 Perform ABS/TCS on-board diagnostic
inspection.
Is DTC displayed?
Yes Repair problem detected by DTC inspection.
No Go to next step.
4 Inspect connection on Z terminal of ABS/TCS
CM.
Is it securely connected?
Yes
Go to next step.
No Repair or replace harness.
5’
Disconnect ABS/TCS CM connector and
inspect resistance from D terminal to body
ground.
Is resistance less than 5 Q?
Yes
Replace ABS/TCS CM.
No
Repair or replace harness.
C a u tio n
• R e c h e c k th e d ia g n o s tic tro u b le c o d e a fte r re p a ir c o m p le tio n .