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Inspection Procedure 2: No image is displayed.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
When no image is displayed, the camera-ECU, the multivision display may be defective.
 
 
TROUBLESHOOTING HINTS
  • The camera-ECU may be defective
  • The multivision display may be defective
  • Damaged harness wires and connectors
 
 
DIAGNOSIS
Required Special Tools:
  • MB991223: Harness Set
  • MB992006: Extra Fine Probe
STEP 1. Using scan tool (M.U.T.-IIISE), check the DTC.
Check if DTC is set in the camera-ECU.
(1)
cautionTo prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position 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) Turn the ignition switch to the "ON" position.
(3) Check the DTC.
Is the DTC set?
Diagnose the camera-ECU (Refer to ).
Go to Step 2.
 
STEP 2. Camera image check.
  1. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
  2. Move the selector lever to the "R" (reverse) position.
  3. Check that camera image is switched.
Is the check result normal?
Troubleshoot the ignition switch. Refer to Inspection Procedure 6 "A camera image is displayed when the selector lever is moved to the R position, but it is not switched when the camera switch is pressed ."
Go to Step 3.
 
STEP 3. Check the multivision display operation.
Check if the multivision display normally and the sound is output.
Is the check result normal?
Go to Step 4.
Troubleshoot the smartphone link display audio (Refer to ).
 
STEP 4. Check of open circuit in VOUT and SOUT lines between multivision display connector and camera-ECU connector.
Is the check result normal?
Go to Step 5.
Repair the connector(s) or wiring harness.
 
STEP 5. Retest the system.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the multivision display.