Nissan 350Z Workshop Manual 2003 (9) PDF | Page 38

BRC-38
[ABS]
TROUBLE DIAGNOSIS
Inspection 7 ABS Actuator and Electric Unit2
AFS0011J
INSPECTION PROCEDURE
1. SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
When any item other than ?emergency brake? is indicated in self-diagnosis display, follow the instructions
below.
CAUTION:
?Emergency brake? is indicated when control unit itself is detected as an error. If this display item is
indicated, replace control unit.
Is the above displayed in the self-diagnosis display items?
YES >> Replace the ABS actuator and electric unit.
NO >> Inspection End
Inspection 8 CAN Communication System AFS0011K
INSPECTION PROCEDURE
1. CONNECTOR INSPECTION
1. Disconnect the ABS actuator and electric unit connector E51, check the terminal for deformation, discon-
nection, looseness, and so on. If there is an error, repair or replace the terminal.
2. Securely reconnect the connector and conduct self-diagnosis.
Is
?CAN COMM CIRCUIT? displayed in the self-diagnosis display items?
YES >> Print out the self-diagnosis results and go to 2.
NO >> Connector terminal connection is loose, damaged, open or shorted.
2. CAN COMMUNICATION SYSTEM CHECK
Check the data monitor item ?CAN Diagnosis Support Monitor?.
>> After printing out the monitor item, go to the CAN system. Refer to BRC-8, "
CAN Communication
Unit" .
Symptom 1 Excessive ABS Function Operation Frequency AFS0011M
1. INSPECTION START
Check brake force distribution.
OK or NG
OK >> GO TO 2.
NG >> Check brake system.
Self-diagnosis results
EMERGENCY BRAKE
Normal Error (example)
CAN COMM: OK CAN COMM: OK
CAN CIRC 1: OK CAN CIRC 1: UNKWN
CAN CIRC 2: OK CAN CIRC 2: UNKWN
CAN CIRC 3: UNKWN CAN CIRC 3: UNKWN

Summary of Content

BRC-38[ABS]TROUBLE DIAGNOSISInspection 7 ABS Actuator and Electric Unit2AFS0011JINSPECTION PROCEDURE1. SELF-DIAGNOSIS RESULT CHECKCheck self-diagnosis results.When any item other than emergency brake is indicated in self-diagnosis display, follow the instructionsbelow.CAUTION:Emergency brake is indicated when control unit itself is detected as an error. If this display item isindicated, replace control unit.Is the above displayed in the self-diagnosis display items?YES Replace the ABS actuator and electric unit.NO Inspection EndInspection 8 CAN Communication System AFS0011KINSPECTION PROCEDURE1. CONNECTOR INSPECTION1. Disconnect the ABS actuator and electric unit connector E51, check the terminal for deformation, discon-nection, looseness, and so on. If there is an error, repair or replace the terminal.2. Securely reconnect the connector and conduct self-diagnosis.Is CAN COMM CIRCUIT displayed in the self-diagnosis display items?YES Print out the self-diagnosis results and go to 2.NO Connector terminal connection is loose, damaged, open or shorted.2. CAN COMMUNICATION SYSTEM CHECKCheck the data monitor item CAN Diagnosis Support Monitor. After printing out the monitor item, go to the CAN system. Refer to BRC-8, "CAN CommunicationUnit" . Symptom 1 Excessive ABS Function Operation Frequency AFS0011M1. INSPECTION STARTCheck brake force distribution.OK or NGOK GO TO 2.NG Check brake system.Self-diagnosis resultsEMERGENCY BRAKENormal Error (example)CAN COMM: OK CAN COMM: OKCAN CIRC 1: OK CAN CIRC 1: UNKWNCAN CIRC 2: OK CAN CIRC 2: UNKWNCAN CIRC 3: UNKWN CAN CIRC 3: UNKWN