Toyota Camry (XV70): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
| 1. |
VEHICLE BROUGHT TO WORKSHOP |
|
| 2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here .gif)
|
| 3. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(b) Clear the DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(c) Reconfirm the DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
HINT:
- When CAN communication system DTCs are output, repair the CAN communication system first.
Click here
- If DTC U010087, U012587 and/or U012687 are among the CAN communication DTCs that are output, first use the Data List to check for a momentary open circuit.
Click here
- If the Techstream cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.
Click here
- If there is no response from the skid control ECU (brake actuator assembly), inspect the IG1 circuit and +BS circuit of the skid control ECU (brake actuator assembly).
Click here
|
Result | Proceed to |
|---|---|
|
DTCs are not output. (Problem symptom occurs.) |
A |
| DTCs are output. |
B |
| DTCs are not output. (Problem symptom does not occur.) |
C |
| B |
 | GO TO STEP 10 |
| C |
| USE SIMULATION METHOD TO CHECK
|
|
| 4. |
PROBLEM SYMPTOMS TABLE |
(a) Check if the problem symptoms are listed in the problem symptoms table.
Click here
|
Result | Proceed to |
|---|---|
|
The problem symptoms are not listed in the problem symptoms table. |
A |
| The problem symptoms are listed in the problem symptoms table. |
B |
| B |
| GO TO STEP 9 |
|
| 5. |
PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM* |
(a) DATA LIST / ACTIVE TEST
Click here
(b) ON-VEHICLE INSPECTION
Click here
(c) TERMINALS OF ECU
Click here
|
| 6. |
REPAIR OR REPLACEMENT |
CAUTION:
Refer to the precautions before performing adjustment, repair or replacement.
Click here
|
| 7. |
RECONFIRM DTC* |
(a) Clear the DTCs.
Click here
(b) Turn the ignition switch off.
(c) Turn the ignition switch to ON.
(d) Check if the same DTCs are output.
Click here
|
Result | Proceed to |
|---|---|
|
DTCs are not output. |
A |
| DTCs are output. |
B |
| B |
| REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
|
|
| 8. |
CONFIRMATION TEST* |
| NEXT | | END |
| 9. |
REPAIR PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM* |
(a) Confirm the problem symptoms table and perform troubleshooting.
Click here
| NEXT | | GO TO STEP 7 |
| 10. |
REPAIR CIRCUIT INDICATED BY OUTPUT DTC* |
(a) Confirm the diagnostic trouble code chart and perform troubleshooting.
Click here
| NEXT | | GO TO STEP 7 |
READ NEXT:
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS
HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using
Calibration
CALIBRATION DESCRIPTION (a) Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration.
Parts to be Replaced / Operati
Test Mode Procedure
TEST MODE PROCEDURE SENSOR CHECK USING DEALER MODE (SIGNAL CHECK)
NOTICE:
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that
SEE MORE:
Right Rear Wheel Speed Sensor Circuit Intermittent (C05121F)
DESCRIPTION Refer to DTC C051212 Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
C05121F Right Rear Wheel Speed Sensor Circuit Intermittent
The speed sensor signal is excessively noisy.
The calculated change in wheel speed is more
Control Module Communication Bus "B" Off Bus Off (U007488,...,U015187)
DESCRIPTION The skid control ECU (brake actuator assembly) communicates with the following ECUs and sensors via CAN communication.
ECM
TCM (ECM)
Yaw rate and acceleration sensor (airbag sensor assembly)
Steering angle sensor
Power steering ECU (rack and pinion power steering gea
