Meter Illumination is Always Dark [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 - ]
.
Result
Result Proceed to CAN communication DTCs are not output. A CAN communication DTCs are output. B
B → See step 6
A: Go to next step
- Check if CAN communication DTCs are output. Refer to DIAGNOSIS SYSTEM [08/2013 - ]
.
- READ VALUE USING TECHSTREAM (ILLUMINATION RATE INFO)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Main Body / Data List.
- Check the values by referring to the table below.MAIN BODY
Tester Display Measurement Item/Range Normal Condition Diagnostic Note Illumination Rate Info Illumination rate information/0.00 ms. to 2162.65 ms. Value is output according to ambient light level - Result
Result Proceed to The output value changes according to the ambient light level. A The output value does not change according to the ambient light level. B
B → See step 5
A: Go to next step
- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
- Replace the main body ECU (multiplex network body ECU) with a new or known good one. Refer to REMOVAL [08/2013 - ]
.
OK
The operation of the combination meter assembly returns to normal.
NG → See step 4
OK → END
- Replace the main body ECU (multiplex network body ECU) with a new or known good one. Refer to REMOVAL [08/2013 - ]
.
- REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [08/2013 - ]
- CHECK CUSTOMIZE PARAMETER SETTING (SENSITIVITY). Refer to CUSTOMIZE PARAMETERS [08/2013 - ]
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]