Tech Tips
Use these procedures to troubleshoot the meter / gauge system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
NEXT |
INSPECT AUXILIARY BATTERY VOLTAGE
Standard voltage |
---|
11 to 14 V |
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
NEXT |
CHECK FOR DTC*
Check for DTCs and note any codes that are output Click here.
Clear the DTCs Click here.
Recheck for DTCs Click here. Based on the DTCs output above, try to force output of the same CAN communication system DTC or meter / gauge system DTC by simulating the symptoms indicated by the DTC.
Result | Proceed to |
---|---|
DTC is not output | A |
CAN communication system (for LHD) DTC is output | B |
CAN communication system (for RHD) DTC is output | C |
Meter / gauge system DTC is output | D |
B |
Go to CAN COMMUNICATION SYSTEM Click here |
C |
Go to CAN COMMUNICATION SYSTEM Click here |
D |
Go to DIAGNOSTIC TROUBLE CODE CHART Click here |
A |
PROBLEM SYMPTOMS TABLE
Refer to the 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 |