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Inspection Procedure 4: The image is not switched when the selector lever is moved to the R position.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
When the monitor screen is not switched although the selector lever is moved to the "R" position, the selector lever signal system may be defective.
 
 
TROUBLESHOOTING HINTS
  • The camera-ECU may be defective
  • The CAN bus may be defective
  • Damaged harness wires and connectors
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
(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) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the CAN bus line found to be normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ).
 
STEP 2. Check the operation of the back-up light.
Check that the back-up light illuminate normally.
Is the check result normal?
Go to Step 3.
Troubleshoot the back-up light.
 
STEP 3. Using scan tool (M.U.T.-IIISE), check data list.
Using the camera-ECU service data.
  • Ignition switch: ON position
  • Operate the selector lever.
 
Item No.Scan tool (M.U.T.-IIISE)Check conditionNormal condition
1Shift informationSelector lever: except R positionNot R
Selector lever: R positionR
Item No.Scan tool (M.U.T.-IIISE)Check conditionNormal condition
1Shift informationSelector lever: except R positionNot R
Selector lever: R positionR
Is the check result normal?
Go to Step 5.
Go to Step 4.
 
STEP 4. Using scan tool (M.U.T.-IIISE), check whether the other system DTC is set
Check whether the ETACS-ECU DTC are set or not.
Is the DTC set?
Diagnose the ETACS-ECU (Refer to ).
Go to Step 5.
 
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 camera-ECU (Refer to ).