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LAN
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Wiring Diagram - CAN -
INFOID:0000000004306706
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LAN
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MALFUNCTION AREA CHART
Main Line INFOID:0000000004306707
Branch Line INFOID:0000000004306708
Short Circuit INFOID:0000000004306709
Malfunction Area Reference
Main line between data link connector and ABS actuator and
electric unit (control unit) LAN-34, " Diagnosis Procedure "
Main line between data link connector and TCM
LAN-35, " Diagnosis Procedure "
Malfunction Area Reference
ECM branch line circuit LAN-36, " Diagnosis Procedure "
BCM branch line circuit
LAN-37, " Diagnosis Procedure "
Data link connector branch line circuit
LAN-38, " Diagnosis Procedure "
EPS control unit bran
ch line circuit LAN-39, " Diagnosis Procedure "
Intelligent Key unit branch line circuit
LAN-40, " Diagnosis Procedure "
Combination meter branch line circuit
LAN-41, " Diagnosis Procedure "
ABS actuator and electric unit (con
trol unit) branch line circuit LAN-42, " Diagnosis Procedure "
TCM branch line circuit
LAN-43, " Diagnosis Procedure "
IPDM E/R branch line circuit
LAN-44, " Diagnosis Procedure "
Malfunction Area Reference
CAN communication circuit LAN-45, " Diagnosis Procedure "
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YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the main line between the data link connector and the harness connector M69.YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the ABS actuator
and electric unit (control unit).
NO >> Repair the main line between the harness connec tor E7 and the ABS actuator and electric unit
(control unit). Data link connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M22 6
M69 32A Existed
14 31A Existed Harness connector
ABS actuator and electric unit (control unit)
harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
E7 32A
E33 26 Existed
31A 15 Existed
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MAIN LINE BETWEEN
DLC AND TCM CIRCUIT
Diagnosis Procedure INFOID:0000000004306711YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the main line between the data link connector and the harness connector M69. YES (Present error)>>Check CA
N system type decision again.
YES (Past error)>>Error was detected in the ma in line between the data link connector and the TCM.
NO >> Repair the main line between the harness connector E7 and the TCM. Data link connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M22 6
M69 32A Existed
14 31A Existed Harness connector TCM harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
E7 32A
E31 5 Existed
31A 6 Existed
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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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BCM BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004306713YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the BCM branch line. BCM Power Supply and Ground
Circuit Inspection " .
Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to
BCS-18, " Removal and Installation of BCM " .
YES (Past error)>>Error was det ected in the BCM branch line.
NO >> Repair the power supply and the ground circuit. BCM harness connector
Resistance (Ω)
Connector No. Terminal No.
M18 39 40 Approx. 54 – 66