Hybrid System Indicator Malfunction [08/2013 - ]: Procedure
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN COMMUNICATION SYSTEM
- Check if CAN communication DTCs are output. Refer to DIAGNOSIS SYSTEM [08/2013 - ]
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Result
Result Proceed to DTCs are not output. A DTCs are output. B
B → See step 7
A: Go to next step
- Check if CAN communication DTCs are output. Refer to DIAGNOSIS SYSTEM [08/2013 - ]
.
- PERFORM ACTIVE TEST USING TECHSTREAM (HV SYSTEM INDICATOR)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Active Test.
- Check the indicator operation according to the values in the table below.TEXT IN ILLUSTRATION
*a MIN *b -50% *c 0% *d 100% *e 200% *f 300% *g 400% *h MAX COMBINATION METERTester Display Test Part Control Range Diagnostic Note HV System Indicator Hybrid system indicator OFF, MIN, -50, 0, 100, 200, 300, 400, MAX - OK
Hybrid system indicator indication is normal.
NG → See step 5
OK: Go to next step
- READ VALUE USING TECHSTREAM (HYBRID SYSTEM INDICATOR)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Data Test.
- Check the values by referring to the table below.COMBINATION METER
Tester Display Test Part Control Range Diagnostic Note Hybrid System Indicator Hybrid system indicator value/ Min.: -512%, Max.: 511% -512 to 511% - OK
Hybrid system indicator value displayed on the Techstream is almost the same as hybrid system indicator indication.
NG → See step 6
OK: Go to next step
- REPLACE COMBINATION METER ASSEMBLY
- Replace the combination meter assembly with a new or known good one. Refer to REMOVAL [08/2013 - ]
.
OK
The operation of the hybrid system indicator returns to normal.
NG → See step 8
OK → END
- Replace the combination meter assembly with a new or known good one. Refer to REMOVAL [08/2013 - ]
.
- REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [08/2013 - ]
- GO TO HYBRID CONTROL SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]
- REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL [08/2013 - ]