2009 NISSAN LATIO service

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ECM BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004491638YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was det
ected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

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ECM BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004491746YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was det
ected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

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COMPONENT DIAGNOSIS
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004749287YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was det
ected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the ECM branch line. How to Check
Vehicle Type " .
• MR TYPE 1: EC-628, " Diagnosis Procedure "
• MR TYPE 2:
EC-1140, " Diagnosis Procedure "
• HR16DE:
EC-121, " Diagnosis Procedure "
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to the following.
• MR TYPE 1: EC-571, " Procedure After Replacing ECM "
• MR TYPE 2:
EC-1083, " Procedure After Replacing ECM "
• HR16DE:
EC-29, " ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
Repair Requirement "
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit. ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
E16 84 83 Approx. 108 – 132

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CONTENTS
LIGHTING SYSTEM
SERVICE INFORMATION .. ..........................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary fo r Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
3
HEADLAMP (FOR USA) ................................ .....4
Component Parts and Harness Connector Loca-
tion ...................................................................... ......
4
System Description ............................................. ......4
CAN COMMUNICATION SYSTEM DESCRIP-
TION .................................................................... ......
5
Schematic ........................................................... ......6
Wiring Diagram ................................................... ......7
Terminal and Reference Value for BCM ............. ....10
Terminal and Reference Value for IPDM E/R ..... ....10
How to Perform Trouble Diagnosis ..................... ....11
Preliminary Check ............................................... ....11
CONSULT-III Function (BCM) ............................. ....11
CONSULT-III Function (IPDM E/R) ..................... ....12
Headlamp High Beam Does Not Illuminate (Both
Sides) .................................................................. ....
13
Headlamp High Beam Does Not Illuminate (One
Side) .................................................................... ....
15
High Beam Indicator Lamp Does Not Illuminate .....16
Headlamp Low Beam Does Not Illuminate (Both
Sides) .................................................................. ....
16
Headlamp Low Beam Does Not Illuminate (One
Side) .................................................................... ....
19
Headlamps Do Not Turn OFF ............................. ....20
Aiming Adjustment .............................................. ....21
Bulb Replacement ........ ...........................................22
Removal and Installation .........................................23
Disassembly and Assembly ................................ ....23
HEADLAMP (FOR CANADA) - DAYTIME
LIGHT SYSTEM - ........................................... ....25 Component Parts and Harness Connector Loca-
tion ....................................................................... ....
25