Page 3449 of 4331
Reproduced>>GO TO 6.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected. Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
Page 3450 of 4331
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COMPONENT DIAGNOSIS
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004555679YES >> 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
Page 3451 of 4331
YES >> 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 detected 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
Page 3452 of 4331
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DLC BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004555681YES >> GO TO 2.
NO >> Repair the terminal and connector. YES (Present error)>>Check CA
N system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO >> Repair the data link connector branch line. Data link connector
Resistance (Ω)
Connector No. Terminal No.
M22 6 14 Approx. 54 – 66
Page 3453 of 4331
YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the EPS control unit branch line. DTC C1601 BAT-
TERY VOLT " .
Is the inspection result normal? YES (Present error)>>Replace the EPS control unit. Refer to
PS-9, " Removal and Installation " .
YES (Past error)>>Error was detected in the EPS control unit branch line.
NO >> Repair the power supply and the ground circuit. EPS control unit harness connector
Resistance (Ω)
Connector No. Terminal No.
M53 9 16 Approx. 54 – 66
Page 3454 of 4331
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I-KEY BRANCH LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004555683YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the Intelligent Key unit branch line. Power Supply and
Ground Circuit Inspection " .
Is the inspection result normal? YES (Present error)>>Replace the Intelligent Key unit. Refer to
BL-158, " Removal and Installation of Intelli-
gent Key Unit " .
YES (Past error)>>Error was detected in the Intelligent Key unit branch line.
NO >> Repair the power supply and the ground circuit. Intelligent Key unit harness connector
Resistance (Ω)
Connector No. Terminal No.
M52 2 3 Approx. 54 – 66
Page 3455 of 4331
YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the combination meter branch line. Power Supply and
Ground Circuit Inspection " .
Is the inspection result normal? YES (Present error)>>Replace the combination meter. Refer to
IP-12, " Removal and Installation " .
YES (Past error)>>Error was detected in the combination meter branch line.
NO >> Repair the power supply and the ground circuit. Combination meter harness connector
Resistance (Ω)
Connector No. Terminal No.
M24 1 2 Approx. 54 – 66
Page 3456 of 4331
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IPDM-E BRANCH
LINE CIRCUIT
Diagnosis Procedure INFOID:0000000004555687YES >> GO TO 2.
NO >> Repair the terminal and connector. YES >> GO TO 3.
NO >> Repair the IPDM E/R branch line. IPDM E/R Power/Ground
Circuit Inspection " .
Is the inspection result normal? YES (Present error)>>Replace the IPDM E/R. Refer to
PG-27, " Removal and Installation of IPDM E/R " .
YES (Past error)>>Error was detec ted in the IPDM E/R branch line.
NO >> Repair the power supply and the ground circuit. IPDM E/R harness connector
Resistance (Ω)
Connector No. Terminal No.
E46 41 40 Approx. 108 – 132