CAUTION / NOTICE / HINT
HINT:
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the trouble.
|
|
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.
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|
4. |
CHECK FOR DTC (AIR CONDITIONING SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
5. |
CHECK FOR DTC (SEAT HEATER SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
|
Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 8 |
|
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
|
|
8. |
REPAIR OR REPLACE |
|
|
9. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
Operation CheckHow To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION
2.
TIGHTEN WHEEL NUTS
...
Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
DESCRIPTION
DTC C1379 is cleared when the crawl control switch sends a crawl control operation
signal or when test mode ends.
DTC Code
DTC Detection Condition
Trouble Area
C1379
Stored only during test mode.
Crawl ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Access Cab
*B
w/ Washer Fluid Level Warning
*C
w/ Tire Pressure Warning System
*D
for Manual Transmission
*E
for Hydraulic Booster Type
...