2003 NISSAN ALMERA N16 combination

TYPE 2=NJEL0536S02System DiagramNJEL0536S0201
SEL826Y
Input/Output Signal ChartNJEL0536S0202T: Transmit R: Receive
Signals ECMSmart entrance control
unitCombination meter
Engine speed signal T R
Rear window defogger signal R T
Heater fan switch signal R T
Air conditioner switch signal R T
MI signal T R
Engine coolant temperature signal T R
Fuel consumption signal T R
Vehicle speed signal R T
Seat belt reminder signal R T
Headlamp switch signal T R
Flashing indicator signal T R
Engine cooling fan speed signal T R
Child lock indicator signal T R
Door switches state signal T R
A/C compressor signal T R
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN COMMUNICATION
CAN Communication Unit (Cont’d)
EL-511

SEL807Y
INSPECTIONNJEL0540S04Proceed trouble diagnosis according to the check sheet results (example).
Case 1: Replace ECM.
Case 2: Replace TCM.
Case 3: Replace smart entrance control unit.
Case 4: Check harness between TCM and smart entrance control unit. Refer to“CIRCUIT CHECK BETWEEN
TCM AND SMART ENTRANCE CONTROL UNIT” (EL-519).
Case 5: Check ECM circuit. Refer to “ECM CIRCUIT CHECK” (EL-522).
Case 6: Check TCM circuit. Refer to “TCM CIRCUIT CHECK” (EL-523).
Case 7: Check smart entrance control unit circuit. Refer to “SMART ENTRANCE CONTROL UNIT CIRCUIT
CHECK” (EL-524).
Case 8: Check combination meter circuit. Refer to “COMBINATION METER CIRCUIT CHECK” (EL-525).
Case 9: Check CAN communication circuit. Refer to “CAN COMMUNICATION CIRCUIT CHECK” (EL-525).
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-518

COMBINATION METER CIRCUIT CHECK=NJEL0540S09
1 CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Check following terminals and connector of combination meter for damage, bend and loose connection (meter-side and
harness-side).
OK or NG
OK GO TO 2.
NG Repair terminal or connector.
2 CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect combination meter connector.
2. Check resistance between combination meter harness connector M171 terminals 26 (L) and 27 (R).
SEL815Y
OK or NG
OK Replace combination meter.
NG Repair harness between combination meter and smart entrance control unit.
CAN COMMUNICATION CIRCUIT CHECKNJEL0540S10
1 CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Check following terminals and connector of combination meter for damage, bend and loose connection (meter-side,
control unit-side, control module-side and harness-side).
Combination meter
Smart entrance control unit
TCM
ECM
Between ECM and data link connector
OK or NG
OK GO TO 2.
NG Repair terminal or connector.
GI
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EM
LC
EC
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CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-525

2 CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect combination meter connector, smart entrance control unit connector and harness connector M202 (LHD
models) or harness connector M159 (RHD models).
2. Check continuity between data link connector M29 terminals 6 (L) and 3 (R).
SEL816Y
OK or NG
OK GO TO 3.
NG Repair harness between data link connector and harness connector M202 (LHD mod-
els) or M159 (RHD models).
Repair harness between data link connector and smart entrance control unit.
Repair harness between data link connector and combination meter.
3 CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M29 terminals 6 (L), 3 (R) andground.
SEL817Y
OK or NG
OK GO TO 6. (LHD models)
GO TO 4. (RHD models)
NG Repair harness between data link connector and harness connector M202 (LHD mod-
els) or M159 (RHD models).
Repair harness between data link connector and smart entrance control unit.
Repair harness between data link connector and combination meter.
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-526

6 CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ECM connector and TCM connector.
2. Check continuity between ECM harness connector F114 terminals 94 (L) and86(R).
SEL820Y
OK or NG
OK GO TO 7.
NG Repair harness between ECM and harness connector F115 (LHD models) or F43 (RHD
models).
Repair harness between ECM and TCM.
7 CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector F114 terminals 94 (L), 86 (R) and ground.
SEL821Y
OK or NG
OK GO TO 8.
NG Repair harness between ECM and harness connector F115 (LHD models) or F43 (RHD
models).
Repair harness between ECM and TCM.
8 ECM/COMBINATION METER INTERNAL CIRCUIT INSPECTION
Check components inspection. Refer to “ECM/COMBINATION METER INTERNAL CIRCUIT INSPECTION” (EL-529).
OK or NG
OK Reconnect all connectors to perform “SELF-DIAG RESULTS” and “DATA MONITOR” for
“ENGINE”, “A/T” and “SMART ENTRANCE” displayed on CONSULT-II. Refer to thefol-
lowing.
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITH EURO-OBD) (EC-116) for
“ENGINE”
“DTC U1000, U1001 CAN COMMUNICATION LINE” (WITHOUT EURO-OBD) (EC-
492) for “ENGINE”
“DTC U1000 CAN COMMUNICATION LINE” (WITH EURO-OBD) (AT-192) for “A/T”
“CAN COMMUNICATION LINE” (All) (AT-395) for “A/T”
“CAN Communication Line Check” (EL-380) for “SMART ENTRANCE”
NG Replace ECM and/or combination meter.
CAN SYSTEM (TYPE 1)
Trouble Diagnoses (Cont’d)
EL-528

SEL723Y
Component InspectionNJEL0541ECM/COMBINATION METER INTERNAL CIRCUIT
INSPECTION
NJEL0541S01Remove ECM and combination meter from vehicle.
Check resistance between ECM terminals 94 and 86.
Check resistance between combination meter terminals 26
and 27.
Unit Terminal Resistance value (Ω)
ECM 94 - 86
Approx. 108 - 132
Combination meter 26 - 27
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CAN SYSTEM (TYPE 1)
Component Inspection
EL-529

CHECK SHEET RESULTS (EXAMPLE)NJEL0545S03
SEL824Y
INSPECTIONNJEL0545S04Proceed trouble diagnosis according to the check sheet results (example).
Case 1: Replace ECM.
Case 2: Replace smart entrance control unit.
Case 3: Check ECM circuit. Refer to “ECM CIRCUIT CHECK” (EL-536).
Case 4: Check smart entrance control unit circuit. Refer to “SMART ENTRANCE CONTROL UNIT CIRCUIT
CHECK” (EL-537).
Case 5: Check combination meter circuit. Refer to “COMBINATION METER CIRCUIT CHECK” (EL-538).
Case 6: Check CAN communication circuit. Refer to “CAN COMMUNICATION CIRCUIT CHECK” (EL-539).
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (TYPE 2)
Trouble Diagnoses (Cont’d)
EL-535

COMBINATION METER CIRCUIT CHECK=NJEL0545S07
1 CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery cable.
3. Check terminals and connector of combination meter for damage, bend andloose connection (meter-side and harness-
side).
OK or NG
OK GO TO 2.
NG Repair terminal or connector.
2 CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect combination meter connector.
2. Check resistance between combination meter harness connector M171 terminals 26 (L) and 27 (R).
SEL815Y
OK or NG
OK Replace combination meter.
NG Repair harness between combination meter and smart entrance control unit.
CAN SYSTEM (TYPE 2)
Trouble Diagnoses (Cont’d)
EL-538