DESCRIPTION
There may be a short circuit between the CAN bus main wire and GND when there is no resistance between terminals 6 (CANH) and 4 (CG) or 14 (CANL) and 4 (CG) of the DLC3.
Symptom |
Trouble Area |
---|---|
No resistance exists between terminals 6 (CANH) and 4 (CG) or 14 (CANL) and 4 (CG) of DLC3. |
|
*1: for AWD
*2: w/ Smart key system
*3: w/o Smart key system
*4: for Navigation system
*5: for Audio and visual system
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C) |
(a) Turn the ignition switch off.
(b) Disconnect the CAN No. 1 junction connector (D56). Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
GO TO STEP 4 |
|
2. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C) |
(a) Disconnect the CAN No. 1 junction connector (A44) .
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
Connected to |
---|---|---|---|
A44-1 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Skid control ECU |
A44-12 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
A44-4 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
ECM |
A44-15 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
*1 |
Front view of wire harness connector (to CAN No. 1 Junction Connector) |
*2 |
DLC3 |
*3 |
to Skid Control ECU |
*4 |
to ECM |
Result |
Proceed to |
---|---|
OK |
A |
NG (Skid control ECU branch wire) |
B |
NG (ECM main wire) |
C |
B |
GO TO STEP 8 |
C |
GO TO STEP 9 |
|
3. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
Connected to |
---|---|---|---|
D56-8 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Air conditioning amplifier*1 |
D56-19 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D56-10 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Power management control ECU*2 |
D56-21 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D56-11 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
4WD control ECU*3 |
D56-22 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
*1 |
Front view of wire harness connector (to CAN No. 1 Junction Connector) |
*2 |
DLC3 |
*3 |
to Air Conditioning Amplifier |
*4 |
to Power Management Control ECU |
*5 |
to 4WD Control ECU |
Result |
Proceed to |
---|---|
OK |
A |
NG (Air conditioning amplifier branch wire) |
B |
NG (Power management control ECU branch wire) |
C |
NG (4WD control ECU branch wire) |
D |
A |
REPLACE CAN NO. 1 J/C |
B |
GO TO STEP 10 |
C |
GO TO STEP 11 |
D |
GO TO STEP 12 |
4. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - CAN NO. 1 J/C) |
(a) Disconnect the CAN No. 2 junction connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D68-9 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
D68-20 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
NG |
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 2 J/C - CAN NO. 1 J/C) |
|
5. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
Connected to |
---|---|---|---|
D68-2 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Center airbag sensor assembly |
D68-13 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-3 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Yaw rate sensor |
D68-14 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-4 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Main body ECU |
D68-15 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-5 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Steering angle sensor |
D68-16 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
*1 |
Front view of wire harness connector (to CAN No. 2 Junction Connector) |
*2 |
DLC3 |
*3 |
to Center Airbag Sensor Assembly |
*4 |
to Yaw Rate Sensor |
*5 |
to Main Body ECU |
*6 |
to Steering Angle Sensor |
Result |
Proceed to |
---|---|
OK |
A |
NG (Center airbag sensor assembly branch wire) |
B |
NG (Yaw rate sensor branch wire) |
C |
NG (Main body ECU branch wire) |
D |
NG (Steering angle sensor branch wire) |
E |
B |
GO TO STEP 13 |
C |
GO TO STEP 14 |
D |
GO TO STEP 15 |
E |
GO TO STEP 16 |
|
6. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
Connected to |
---|---|---|---|
D68-6 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
DLC3 |
D68-17 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-7 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Power steering ECU |
D68-18 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-8 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Combination meter |
D68-19 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
|
D68-10 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
Certification ECU*1 |
D68-21 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
*1 |
Front view of wire harness connector (to CAN No. 2 Junction Connector) |
*2 |
DLC3 |
*3 |
to DLC3 |
*4 |
to Power Steering ECU |
*5 |
to Combination Meter |
*6 |
to Certification ECU |
Result |
Proceed to |
---|---|
OK |
A |
NG (DLC3 branch wire) |
B |
NG (Power steering ECU branch wire) |
C |
NG (Combination meter main wire) |
D |
NG (Certification ECU branch wire) |
E |
B |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DLC3 |
C |
GO TO STEP 17 |
D |
GO TO STEP 18 |
E |
GO TO STEP 19 |
|
7. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
Result:
|
|
A |
REPLACE CAN NO. 2 J/C |
B |
GO TO STEP 20 |
C |
GO TO STEP 21 |
8. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C - SKID CONTROL ECU) |
(a) Disconnect the skid control ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE BRAKE ACTUATOR (SKID CONTROL ECU) |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - SKID CONTROL ECU) |
9. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C - ECM) |
(a) Disconnect the ECM connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
Result |
Proceed to |
---|---|
OK (for 1AR-FE) |
A |
OK (for 2GR-FE) |
B |
NG |
C |
A |
REPLACE ECM |
B |
REPLACE ECM |
C |
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 1 J/C - ECM) |
10. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C - AIR CONDITIONING AMPLIFIER) |
(a) Disconnect the air conditioning amplifier connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D56-8 (CANH) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
D56-19 (CANL) - D1-4 (CG) |
Ignition switch off |
200 Ω or higher |
*2 |
Front view of wire harness connector (to CAN No. 1 Junction Connector) |
*3 |
DLC3 |
*4 |
to Air Conditioning Amplifier |
OK |
REPLACE AIR CONDITIONING AMPLIFIER |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - AIR CONDITIONING AMPLIFIER) |
11. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C - POWER MANAGEMENT CONTROL ECU) |
(a) Disconnect the power management control ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE POWER MANAGEMENT CONTROL ECU |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - POWER MANAGEMENT CONTROL ECU) |
12. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 1 J/C - 4WD CONTROL ECU) |
(a) Disconnect the 4WD control ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE 4WD CONTROL ECU |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - 4WD CONTROL ECU) |
13. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - CENTER AIRBAG SENSOR ASSEMBLY) |
(a) Disconnect the center airbag sensor assembly connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - CENTER AIRBAG SENSOR ASSEMBLY) |
14. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - YAW RATE SENSOR) |
(a) Disconnect the yaw rate sensor connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE YAW RATE SENSOR |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - YAW RATE SENSOR) |
15. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - MAIN BODY ECU) |
(a) Disconnect the main body ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK) |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - MAIN BODY ECU) |
16. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - STEERING ANGLE SENSOR) |
(a) Disconnect the steering angle sensor connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE STEERING ANGLE SENSOR |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - STEERING ANGLE SENSOR) |
17. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - POWER STEERING ECU) |
(a) Disconnect the power steering ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE POWER STEERING ECU |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - POWER STEERING ECU) |
18. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - COMBINATION METER) |
(a) Disconnect the combination meter connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE COMBINATION METER |
NG |
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 2 J/C - COMBINATION METER) |
19. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - CERTIFICATION ECU) |
(a) Disconnect the certification ECU connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE SMART KEY ECU ASSEMBLY (CERTIFICATION ECU) |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - CERTIFICATION ECU) |
20. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - NAVIGATION RECEIVER ASSEMBLY) |
(a) Disconnect the navigation receiver assembly connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - NAVIGATION RECEIVER ASSEMBLY) |
21. |
CHECK FOR SHORT TO GND IN CAN BUS WIRE (CAN NO. 2 J/C - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the radio and display receiver assembly connector. Text in Illustration
|
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
Registered Device cannot be Deleted
PROCEDURE
1.
DELETE OPERATION
(a) Check if a registered portable player can be deleted normally.
OK:
Registered portable player can be deleted normally.
OK
END
NG
PROCEED TO ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Text in Illustration
*1
Component without harness connected
(Engine Coolant Temperature Sensor)
*2
Temperature °C (°F)
*3
...