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 |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
- The following 5 items are important points for problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Running conditions, driving conditions, weather conditions
How did it happen?
Problem symptoms
|
| 3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
| 4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here
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| Result |
Proceed to |
|---|---|
| CAN communication DTCs are not output. |
A |
| CAN communication DTCs are output. |
B |
| B |
 | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. |
CHECK FOR DTC* |
HINT:
Refer to DTC Check / Clear.
Click here
| Result |
Proceed to |
|---|---|
| DTCs are not output. |
A |
| DTCs are output. |
B |
| B |
| GO TO DTC CHART |
|
| 6. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
|
Result | Proceed to |
|---|---|
|
Malfunctioning parts are not confirmed. |
A |
| Malfunctioning parts are confirmed. |
B |
| B |
| GO TO STEP 12 |
|
| 7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
HINT:
Refer to Data List / Active Test.
Click here
|
Result | Proceed to |
|---|---|
|
Malfunctioning parts are not confirmed. |
A |
| Malfunctioning parts are confirmed. |
B |
| B |
| GO TO STEP 12 |
|
| 8. |
CHECK ECM CIRCUIT |
HINT:
Refer to Terminals of ECM.
Click here
| NG | | GO TO STEP 12 |
|
| 9. |
CHECK FOR INTERMITTENT PROBLEMS |
HINT:
Refer to Symptom Simulation.
Click here
|
| 10. |
CONDUCT PARTS INSPECTION |
|
| 11. |
IDENTIFY PROBLEM |
|
| 12. |
ADJUST AND/OR REPAIR |
|
| 13. |
CONDUCT CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
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
Terminals Of Ecm
TERMINALS OF ECM
HINT: The standard normal voltage and resistance between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are
Diagnosis System
DIAGNOSIS SYSTEM DLC3 (Data Link Connector 3)
(a) Check the DLC3. Click here
BATTERY VOLTAGE Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge the battery.
SEE MORE:
Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION Using this circuit, the radio and display receiver assembly sends signals to the stereo component amplifier assembly. WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)
(a) Disconnect the
Components
COMPONENTS ILLUSTRATION
*1 BRAKE LINE
*2 BRAKE MASTER CYLINDER SUB-ASSEMBLY
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf)
* For use with a union nut wrench ILLUSTRATION
