PRE-RELEASE
DTC 41 ABS CONTROL MODULE MALFUNCTION
| DTC 41 ABS CONTROL MODULE MALFUNCTION |
DIAGNOSIS:
Faulty ABSCM&H/U
TROUBLE SYMPTOM:
| • |
ABS does
not operate.
|
|
| • |
EBD does not operate.
|
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WIRING DIAGRAM:
CHECK GROUND CIRCUIT OF ABSCM&H/U.
Turn the ignition switch to OFF.Disconnect the connector from ABSCM& H/U.
Measure the resistance between ABSCM&H/U and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
Is the resistance less than 0.5 Ω?
| Yes |
| No |
Repair the ABSCM&H/U ground harness.
CHECK POOR CONTACT IN CONNECTORS.
Is there poor contact in connectors between battery, ignition switch and ABSCM&H/U?
| Yes |
Repair the connector.
| No |
CHECK SOURCES OF SIGNAL NOISE.
Is the car telephone or wireless transmitter properly installed?
| Yes |
| No |
Properly install the car telephone or wireless transmitter.
CHECK SOURCES OF SIGNAL NOISE.
Are noise sources (such as an antenna) installed near the sensor harness?
| Yes |
Install the noise sources apart from sensor harness.
| No |
CHECK ABSCM&H/U.
Turn the ignition switch to OFF.Connect all connectors.
Erase the memory.
Perform the inspection mode.
Read out the DTC.
Is the same DTC as in current diagnosis still being output?
| Yes |
Replace the ABSCM&H/U.
| No |
CHECK ANY OTHER DTC APPEARANCE.
Are other DTCs being output?
| Yes |
Proceed with the diagnosis corresponding to DTC.
| No |
A temporary poor contact.
