CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section.
Click here
|
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
|
4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
HINT:
Click here
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTCs are not output. |
A |
|
CAN communication system DTCs are output. |
B |
| B | |
GO TO CAN COMMUNICATION SYSTEM |
|
|
5. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Refer to DTC Check/Clear.
Click here
|
|
6. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
|
|
7. |
CHECK FOR DTC* |
(a) Proceed to DTC Check/Clear.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| B | |
GO TO STEP 12 |
|
|
8. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
|
|
9. |
COMPONENT INSPECTION |
|
|
10. |
REPAIR OR REPLACE |
|
|
11. |
CONFIRMATION TEST |
| NEXT | |
END |
|
12. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
|
|
13. |
CIRCUIT INSPECTION* |
|
|
14. |
IDENTIFICATION OF PROBLEM |
|
|
15. |
REPAIR OR REPLACE |
|
|
16. |
CONFIRMATION TEST |
| NEXT | |
END |
Check For Intermittent Problems
Problem Symptoms TableSide doors
The vehicle can be locked/unlocked using the wireless remote control, key or
door lock switch.
■ Wireless remote control (if equipped)
■ Key
Regular Cab models
Locks the door
Unlocks the door
Access Cab and Double Cab models
Locks all doors
Unlocks all doors
Turning ...
Open in Pump Motor Circuit (C1251)
DESCRIPTION
The motor relay (semiconductor relay) is built into the master cylinder solenoid
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1251
...
Daytime Running Light Relay Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the daytime running lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body ECU (mult ...