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Inspection Procedure 15: The drive battery level indicator does not work (the other meters work).
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
When the drive battery level indicator does not work, the PHEV-ECU system, the combination meter, wiring harness wire(s) or connector(s) may be defective.
 
 
TROUBLESHOOTING HINTS
  • The PHEV-ECU may be defective
  • The combination meter may be defective
  • The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-IIISE), always turn off the power supply mode of the electric motor switch before connecting or disconnecting scan tool (M.U.T.-IIISE).
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE) ."
(2) Press the electric motor switch to turn on the power supply mode.
(3) Diagnose the CAN bus line.
(4) Press the electric motor switch to turn off the power supply mode.
Is the CAN bus line found to be normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C, Diagnosis ). Repair the CAN bus line and go to Step 5.
 
STEP 2. Using scan tool (M.U.T.-IIISE), read the DTC.
Check if DTC is set in the combination meter.
Is the DTC set?
Troubleshoot the combination meter. Refer to .
Go to Step 3.
 
STEP 3. Using scan tool (M.U.T.-IIISE), read the other system DTC.
Check if DTC is set in the PHEV-ECU.
Is the DTC set?
Troubleshoot the PHEV-ECU (Refer to GROUP 54Da - Troubleshooting ). Complete the PHEV-ECU troubleshooting, then go to Step 4.
Go to Step 4.
 
STEP 4. Using scan tool (M.U.T.-IIISE), perform Special Function.
Using scan tool (M.U.T.-IIISE), select "Test" from the special function of the combination meter. Execute the following item to check the liquid crystal display.
  • Item No.2: LCD (AUTO)
  • Item No.5: Illumination (AUTO)
  • Item No.6: Indicator (AUTO)
Is the check result normal?
Go to Step 5.
Replace the combination meter.
 
STEP 5. Retest the system
Check whether the drive battery level indicator works correctly.
Does the drive battery level indicator work correctly?
The procedure is complete.
Replace the combination meter.