Tech Tips
Use these procedures to troubleshoot the meter/gauge system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
| NEXT |
|
INSPECT BATTERY VOLTAGE
| Standard voltage |
|---|
| 11 to 14 V |
If the voltage is below 11 V, recharge or replace the battery before proceeding.
| NEXT |
|
CHECK FOR DTC*
Use the intelligent tester to check if the CAN communication system is functioning normally.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| CAN DTC is output (for LHD with Entry and Start System) | B |
| CAN DTC is output (for LHD without Entry and Start System) | C |
| CAN DTC is output (for RHD with Entry and Start System) | D |
| CAN DTC is output (for RHD without Entry and Start System) | E |
| B |
|
Go to CAN COMMUNICATION SYSTEM Click here |
| C |
|
Go to CAN COMMUNICATION SYSTEM Click here |
| D |
|
Go to CAN COMMUNICATION SYSTEM Click here |
| E |
|
Go to CAN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK FOR DTC*
Check for DTCs Click here
Clear the DTCs Click here
Recheck for DTCs Click here
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| A |
|
Go to step 7 |
| B |
|
PROBLEM SYMPTOMS TABLE
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 7 |
| A |
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
Terminals of ECU Click here
Data List / Active Test Click here
Operation Check Click here
| NEXT |
|
REPAIR OR REPLACE
| NEXT |
|
CONFIRMATION TEST
| NEXT |
|
| END |