CAN COMMUNICATION CIRCUIT
LAN-93
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 5)] C
D E
F
G H
I
J
L
M A
B LAN
N
O P
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044917731.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descr ibed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
LAN-104< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 6)]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044917371.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between t he data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descri bed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
LAN-114< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 7)]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044917011.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between t he data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descri bed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
CAN COMMUNICATION CIRCUIT
LAN-125
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 8)] C
D E
F
G H
I
J
L
M A
B LAN
N
O P
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044916831.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descr ibed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
LAN-136< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 9)]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044916651.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between t he data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descri bed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
LAN-148< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 10)]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044916471.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between t he data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTI NUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descri bed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
CAN COMMUNICATION CIRCUIT
LAN-159
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 11)] C
D E
F
G H
I
J
L
M A
B LAN
N
O P
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044917551.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descr ibed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E
CAN COMMUNICATION CIRCUIT
LAN-171
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 12)] C
D E
F
G H
I
J
L
M A
B LAN
N
O P
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure INFOID:00000000044917191.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector. 2.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause. 3.
CHECK HARNESS CONTINUI TY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair the root cause. 4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?YES >> GO TO 5.
NO >> Replace the ECM and/or the IPDM E/R. 5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms descr ibed in the “Symptom (Results from interview with
customer)” are reproduced. Data link connector
Continuity
Connector No. Terminal No.
M22 6 14 Not existed Data link connector
GroundContinuity
Connector No. Terminal No.
M22 6 Not existed
14 Not existed ECM
Resistance (Ω)
Terminal No.
84 83 Approx. 108 – 132
IPDM E/R Resistance (Ω)
Terminal No.
41 40 Approx. 108 – 132 LKIA0037E