PARKING ASSIST MONITOR SYSTEM > FAIL-SAFE CHART

for Preparation Click here


If the television camera ECU detects a malfunction, the fail-safe functions shown in the table below are activated.

For models other than China models: 
Malfunction Part
Detecting Condition
Function
"Manual Assist Mode"
Function
"Parallel Parking Assist Mode"
Steering sensor
  1. Transmission of sensor malfunction signal
  2. Open circuit in sensor signal
  3. Communication malfunction between steering sensor and television camera ECU
-
Switch to "Manual Assist Mode" automatically
Transmission of steering angle neutral point correction incomplete signal
-
Displays "System initializing"
Television camera
Transmission of television camera malfunction signal
Stops signal reception and displays a dark screen
Stops signal reception and displays a dark screen
Television camera ECU
Malfunction of television camera ECU unit
Stops system operation
Stops system operation
Navigation ECU
  1. No response from navigation ECU
  2. Transmission of navigation ECU malfunction signal
-
Switches system to "Manual Assist Mode" automatically
Steering Control ECU
  1. Variable gear ratio steering system malfunction
  2. Variable gear ratio steering system communication malfunction
-
Switch to "Manual Assist Mode" automatically

For China models: 
Malfunction Part
Detecting Condition
Function
"Manual Assist Mode"
Function
"Parallel Parking Assist Mode"
Steering sensor
  1. Transmission of sensor malfunction signal
  2. Open circuit in sensor signal
  3. Communication malfunction between steering sensor and television camera ECU
Guidelines are displayed, and "Guidance unavailable" is displayed
Guidelines are displayed, and "Guidance unavailable" is displayed
Transmission of steering angle neutral point correction incomplete signal
Guidelines are displayed, and "System initializing" is displayed
Displays "System initializing"
Television camera
Transmission of television camera malfunction signal
Stops signal reception and displays a dark screen
Stops signal reception and displays a dark screen
Television camera ECU
Malfunction of television camera ECU unit
Stops system operation
Displays "Guidance unavailable"
Navigation ECU
  1. No response from navigation ECU
  2. Transmission of navigation ECU malfunction signal
-
Displays "Guidance unavailable"
Steering Control ECU
  1. Variable gear ratio steering system malfunction
  2. Variable gear ratio steering system communication malfunction
Guidelines are displayed, and "Guidance unavailable" is displayed
Guidelines are displayed, and "Guidance unavailable" is displayed