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:
Chassis and body maintenance
In-cabin microfilter
In-cabin microfilter : removal and installation
REMOVAL
Remove the in-cabin microfilter cover.
CAUTION:
Before removing the in-cabin microfilter cover, let the vehicle rest
for at least 30 minutes.
Release the filter cover tab (A), then pull the bottom of the in-
Replacement
REPLACEMENT CAUTION / NOTICE / HINT
HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head LH to between 80 and 100°C (176 and 212°F).
(b) Place the cylinder head LH on woo
