DESCRIPTION
Symptom |
Trouble Area |
---|---|
There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
Click here
Click here
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
Click here
DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
Click here
HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN MAIN BUS LINES |
(a) Disconnect the cable from the negative (-) auxiliary battery terminal.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
GO TO STEP 32 |
|
2. |
CHECK FOR SHORT IN CAN BUS LINES |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
GO TO STEP 23 |
|
3. |
CHECK FOR SHORT TO +B IN CAN BUS LINE |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Component with harness connected (Central Gateway ECU (Network Gateway ECU)) |
- |
- |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
I231-31 (CA7H) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
I231-32 (CA7L) - I26-16 (BAT) |
NG |
GO TO STEP 14 |
|
4. |
CHECK FOR SHORT TO GND IN CAN BUS LINE |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Component with harness connected (Central Gateway ECU (Network Gateway ECU)) |
- |
- |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
I231-31 (CA7H) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
I231-32 (CA7L) - I26-4 (CG) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
|
5. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the No. 22 global CAN junction connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-19 (CANL) - I26-4 (CG) |
NG |
GO TO STEP 13 |
|
6. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-20 (CANL) - I26-4 (CG) |
NG |
GO TO STEP 12 |
|
7. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result |
Proceed to |
---|---|
for AWD |
A |
for 2WD |
B |
B |
GO TO STEP 9 |
|
8. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-18 (CANL) - I26-4 (CG) |
NG |
GO TO STEP 10 |
|
9. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-21 (CANL) - I26-4 (CG) |
OK |
REPLACE NO. 22 GLOBAL CAN JUNCTION CONNECTOR |
NG |
GO TO STEP 11 |
10. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Disconnect the O201 4WD ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-18 (CANL) - I26-4 (CG) |
OK |
REPLACE 4WD ECU ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
11. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Disconnect the O209*1, O221*2 tire pressure warning ECU and receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-21 (CANL) - I26-4 (CG) |
OK |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
NG |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
12. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-20 (CANL) - I26-4 (CG) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
13. |
CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - I26-4 (CG) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
O227-19 (CANL) - I26-4 (CG) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
14. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the No. 22 global CAN junction connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-19 (CANL) - I26-16 (BAT) |
NG |
GO TO STEP 22 |
|
15. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-20 (CANL) - I26-16 (BAT) |
NG |
GO TO STEP 21 |
|
16. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result |
Proceed to |
---|---|
for AWD |
A |
for 2WD |
B |
B |
GO TO STEP 18 |
|
17. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-18 (CANL) - I26-16 (BAT) |
NG |
GO TO STEP 19 |
|
18. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-21 (CANL) - I26-16 (BAT) |
OK |
REPLACE NO. 22 GLOBAL CAN JUNCTION CONNECTOR |
NG |
GO TO STEP 20 |
19. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Disconnect the O201 4WD ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-18 (CANL) - I26-16 (BAT) |
OK |
REPLACE 4WD ECU ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
20. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Disconnect the O209*1, O221*2 tire pressure warning ECU and receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-21 (CANL) - I26-16 (BAT) |
OK |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
NG |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
21. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-20 (CANL) - I26-16 (BAT) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
22. |
CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*1 |
DLC3 |
- |
- |
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - I26-16 (BAT) |
Cable disconnected from negative (-) auxiliary battery terminal |
6 kΩ or higher |
O227-19 (CANL) - I26-16 (BAT) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
23. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the No. 22 global CAN junction connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - O227-19 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
108 to 132 Ω |
NG |
GO TO STEP 31 |
|
24. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - O227-20 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
108 to 132 Ω |
NG |
GO TO STEP 30 |
|
25. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result |
Proceed to |
---|---|
for AWD |
A |
for 2WD |
B |
B |
GO TO STEP 27 |
|
26. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - O227-18 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
NG |
GO TO STEP 28 |
|
27. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - O227-21 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
200 Ω or higher |
OK |
REPLACE NO. 22 GLOBAL CAN JUNCTION CONNECTOR |
NG |
GO TO STEP 29 |
28. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
(a) Disconnect the O201 4WD ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to 4WD ECU Assembly |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-7 (CANH) - O227-18 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
1 MΩ or higher |
OK |
REPLACE 4WD ECU ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) |
29. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Disconnect the O209*1, O221*2 tire pressure warning ECU and receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Tire Pressure Warning ECU and Receiver |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-10 (CANH) - O227-21 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
1 MΩ or higher |
OK |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
NG |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) |
30. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - O227-20 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
1 MΩ or higher |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
31. |
CHECK FOR SHORT IN CAN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the I231 central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - O227-19 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
1 MΩ or higher |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
32. |
CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the No. 22 global CAN junction connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - O227-19 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
108 to 132 Ω |
NG |
GO TO STEP 35 |
|
33. |
CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to No. 22 Global CAN Junction Connector) |
*b |
to Central Gateway ECU (Network Gateway ECU) |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - O227-20 (CANL) |
Cable disconnected from negative (-) auxiliary battery terminal |
108 to 132 Ω |
OK |
REPLACE NO. 6 GLOBAL CAN JUNCTION CONNECTOR |
|
34. |
CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to Central Gateway ECU (Network Gateway ECU)) |
*b |
to No. 22 Global CAN Junction Connector |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-9 (CANH) - I231-10 (CAVH) |
Cable disconnected from negative (-) auxiliary battery terminal |
Below 1 Ω |
O227-20 (CANL) - I231-11 (CAVL) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
35. |
CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |
(a) Disconnect the central gateway ECU (network gateway ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
*a |
Front view of wire harness connector (to Central Gateway ECU (Network Gateway ECU)) |
*b |
to No. 22 Global CAN Junction Connector |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
O227-8 (CANH) - I231-10 (CAVH) |
Cable disconnected from negative (-) auxiliary battery terminal |
Below 1 Ω |
O227-19 (CANL) - I231-11 (CAVL) |
OK |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 22 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) |