CHECK DRIVING SUPPORT ECU
Disconnect the D14 ECU connector.
Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
D14-30 (B) - Body ground | L - Body ground | ECU power supply circuit | Ignition switch ON | 11 to 14 V |
Ignition switch off | Below 1 V | |||
D14-25 (GND) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
D14-8 (LKSW) - Body ground | P - Body ground | Lane-keeping assist main switch signal | Lane-keeping assist main switch on | Below 1 Ω |
Lane-keeping assist main switch off | 10 kΩ or higher |
If the result is not as specified, there may be a malfunction of the wire harness side.
Reconnect the D14 ECU connector.
Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
D14-32 (WIP2) - Body ground | R - Body ground | Windshield wiper switch signal | Ignition switch ON, windshield wiper switch Hi | 11 to 14 V |
Ignition switch ON, windshield wiper switch Lo | Approximately 9 V | |||
Ignition switch ON, windshield wiper switch off | Below 1 V | |||
D14-9 (WASH) - Body ground | W - Body ground | Windshield wiper switch signal | Ignition switch ON, washer switch off | 11 to 14 V |
Ignition switch ON, washer switch on | Below 1 V | |||
D14-34 (WNKR) - Body ground | LG - Body ground | Turn signal light switch signal | Turn signal light switch right | 11 to 14 V |
Turn signal light switch off | Below 1 V | |||
D14-35 (WNKL) - Body ground | G - Body ground | Turn signal light switch signal | Turn signal light switch left | 11 to 14 V |
Turn signal light switch off | Below 1 V |
If the result is not as specified, the ECU may be malfunctioning.
CHECK LANE RECOGNITION CAMERA SENSOR ASSEMBLY
Disconnect the K10 sensor connector.
Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
K10-8 (IGB) - Body ground | L - Body ground | Power source circuit | Ignition switch ON | 11 to 14 V |
Ignition switch off | Below 1 V | |||
K10-4 (GND) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction of the wire harness side.