How To Proceed With Troubleshooting
HINT:
*: Use the Techstream.
PROCEDUREVEHICLE BROUGHT TO WORKSHOP
|
CUSTOMER PROBLEM ANALYSIS
|
INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
|
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Inspect the CAN communication function to make sure there are no malfunctions in the communication system (See page
).
Result | Proceed to |
|---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
| B | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
CHECK AND CLEAR DTC
(a) Check for DTCs (See page
).
|
PROBLEM SYMPTOM CONFIRMATION
Result | Proceed to |
|---|---|
Symptom does not occur |
A |
Symptom occurs |
B |
| B | ![]() | GO TO STEP 9 |
|
SYMPTOM SIMULATION
|
CHECK DTC*
(a) Check for DTCs (See page
).
Result | Proceed to |
|---|---|
DTC is not output |
A |
DTC is output |
B |
| B | ![]() | GO TO STEP 10 |
|
PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table (See page
).
| NEXT | ![]() | GO TO STEP 12 |
DTC CHART
(a) Refer to the Diagnostic Trouble Code Chart (See page
).
|
CIRCUIT INSPECTION
|
IDENTIFICATION OF PROBLEM
|
REPAIR OR REPLACE
|
CONFIRMATION TEST
| NEXT | ![]() | END |
Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.
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