DTC    C15A5/65    Actuator Malfunction

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DESCRIPTION

If the steering control ECU detects a malfunction in the lock mechanism, it will turn the master warning light on, store the DTC C15A5/65, and stop VGRS operation.

DTC No.
DTC Detecting Condition
Trouble Area
C15A5/65
The steering control ECU detects that the LG terminal voltage is abnormal.
  1. Wire harness and connector
  2. Steering actuator
  3. Steering control ECU

WIRING DIAGRAM


C109543E03


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS


    C110891E07

  1. Turn the engine switch off.

  1. Disconnect the connectors from the steering control ECU and the steering actuator.

  1. Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    		Specified condition
    L70-3 (LV) - L26-7 (LV+)
    		Below 1 Ω
    L70-12 (LG) - L26-16 (LG+)
    		Below 1 Ω
    L70-3 (LV) - Body ground
    		10 kΩ or higher
    L70-12 (LG) - Body ground
    		10 kΩ or higher

  1. Turn the engine switch on (IG).

  1. Measure the voltage according to the value(s) in the table below.

    Voltage:
    Tester connection
    		Specified condition
    L70-3 (LV) - Body ground
    		Below 1 V
    L70-12 (LG) - Body ground
    		Below 1 V



NG
REPAIR OR REPLACE WIRE HARNESS
OK


2.CHECK STEERING ACTUATOR

  1. Turn the engine switch off.

  1. Connect the connector to the steering control ECU.



    C107440E02

  1. Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    		Specified condition
    L26-7 (LV+) - L26-16 (LG+)
    		10 to 100 Ω
    L26-7 (LV+) - Body ground
    		10 kΩ or higher
    L26-16 (LG+) - Body ground
    		10 kΩ or higher



NG
REPLACE STEERING ACTUATOR
OK

REPLACE STEERING CONTROL ECU