Use the following procedure to troubleshoot the meter / gauge system.
*: Use the GTS.
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In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
The following 5 items are important points for problem analysis:
| What | Vehicle model, system name |
| When | Date, time, occurrence frequency |
| Where | Road conditions |
| Under what conditions? | Driving conditions, weather conditions |
| How did it happen? | Problem symptoms |
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Measure the auxiliary battery voltage.
for HV Model: 11 to 14 V (Ignition switch off)
for Gasoline Model: 11 to 14 V (Always)
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
Check the fuses and relays.
Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
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Using the GTS, check for CAN communication system DTCs.
for HV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>DIAGNOSIS SYSTEM202304,202307,_57,_080743,_0392424,RM100000002B9SB,202307,999999,_57,_080743,_0392424,RM100000002CP2C,
for Gasoline Model (NR Series): Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (NR Series))>DIAGNOSIS SYSTEM202304,202307,_57,_080743,_0598517,RM100000002B6V0,202307,202403,_57,_080743,_0598517,RM100000002D3A3,202403,202502,_57,_080743,_0598517,RM100000002JOVA,202502,999999,_57,_080743,_0598517,RM100000002RPYX,
for Gasoline Model (except NR Series): Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (except NR Series))>DIAGNOSIS SYSTEM202304,999999,_57,_080743,_0598531,RM100000002BFVC,
| Result | Proceed to |
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| CAN DTCs are not output | A |
| CAN DTCs are output | B |
A
B
for HV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING202304,999999,_57,_080743,_0392424,RM100000002BB1R,
for Gasoline Model (NR Series): Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (NR Series))>HOW TO PROCEED WITH TROUBLESHOOTING202304,999999,_57,_080743,_0598517,RM100000002B6UW,
for Gasoline Model (except NR Series): Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (except NR Series))>HOW TO PROCEED WITH TROUBLESHOOTING202304,999999,_57,_080743,_0598531,RM100000002BFV9,
Check for DTCs.
| Result | Proceed to |
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| DTCs are not output | A |
| DTCs are output | B |
A
B
Choose the model to be inspected.
| Result | Proceed to |
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| except NR Series Engine | A |
| for NR Series Engine | B |
A
B
Using the GTS, check for Vehicle Control History (RoB).
| Tester Display |
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| Vehicle Control History (RoB) |
Make a note of the output Vehicle Control History (RoB).
| Result | Proceed to |
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| Vehicle Control History (RoB) is not output | A |
| Vehicle Control History (RoB) is output | B |
A
B
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Refer to Problem Symptoms Table.
The problem symptoms table of the meter/gauge system is written based on the assumption that all related systems and ECUs of each function are operating correctly. Therefore, confirm that all related systems and ECUs are functioning correctly before using the problem symptoms table.
| Result | Proceed to |
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| Fault is not listed in Problem Symptoms Table | A |
| Fault is listed in Problem Symptoms Table | B |
A
B
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