Infiniti I35 (A33). Manual — part 463
CHECK SHEET
=NHEL0326S02
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” as “CAN DIAG SUPPORT MNTR” for the
diagnosed control unit, replace the control unit.
PKIA8323E
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (FOR TCS MODELS)
Trouble Diagnoses (Cont’d)
EL-453
CHECK SHEET RESULTS (EXAMPLE)
=NHEL0326S03
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” as “CAN DIAG SUPPORT MNTR” for the
diagnosed control unit, replace the control unit.
Case 1
NHEL0326S0301
Check ECM circuit. Refer to “ECM CIRCUIT CHECK” (EL-455).
PKIA8325E
PKIA8335E
Case 2
NHEL0326S0302
Check ABS/TCS control unit circuit. Refer to “ABS/TCS CONTROL UNIT CIRCUIT CHECK” (EL-456).
PKIA8326E
PKIA8336E
CAN SYSTEM (FOR TCS MODELS)
Trouble Diagnoses (Cont’d)
EL-454
Case 3
NHEL0326S0303
Check TCM circuit. Refer to “TCM CIRCUIT CHECK” (EL-457).
PKIA8327E
PKIA8337E
Case 4
NHEL0326S0304
Check CAN communication circuit. Refer to “CAN COMMUNICATION CIRCUIT CHECK” (EL-457).
PKIA8328E
ECM CIRCUIT CHECK
NHEL0326S05
1
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check following terminals and connector for damage, bend and loose connection. (control module side and harness
side)
I
ECM
I
Harness connector F53
I
Harness connector M223
I
Harness connector M15
I
Harness connector E81
OK or NG
OK
©
GO TO 2.
NG
©
Repair terminal or connector.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (FOR TCS MODELS)
Trouble Diagnoses (Cont’d)
EL-455
2
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector F48 terminals 109 (L) and 113 (R).
SEL437Y
OK or NG
OK
©
Replace ECM.
NG
©
Repair harness between ABS/TCS control unit and ECM.
ABS/TCS CONTROL UNIT CIRCUIT CHECK
NHEL0326S06
1
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check the terminals and connector of ABS/TCS control unit for damage, bend and loose connection. (control unit side
and harness side)
OK or NG
OK
©
GO TO 2.
NG
©
Repair terminal or connector.
2
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS/TCS control unit connector.
2. Check resistance between ABS/TCS control unit harness connector E162 terminals 30 (L) and 29 (R).
SEL438Y
OK or NG
OK
©
Replace ABS/TCS control unit.
NG
©
Repair harness between ABS/TCS control unit and harness connector E81.
CAN SYSTEM (FOR TCS MODELS)
Trouble Diagnoses (Cont’d)
EL-456
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