RX400h · Service Manual BRAKE

C1381/97

Diagnostic trouble codes

DESCRIPTION

DTCs C0371/71 can be deleted when the yaw rate and deceleration sensor sends a yaw rate signal or the Test Mode ends. DTCs C0371/71 are output only in the Test Mode.
DTC No.
INF Code
DTC Detecting Condition
Trouble Area
C1381/97
315
Power source voltage is not within specified range when communication between skid control ECU and sensor is valid.
  1. Yaw rate and deceleration sensor circuit
  2. Wire harness or connector
  3. Skid control ECU

WIRING DIAGRAM

F100410E04

INSPECTION PROCEDURE


1. CHECK HARNESS AND CONNECTOR (BETWEEN YAW RATE AND DECELERATION SENSOR AND IG CIRCUIT)

  1. F045082E01
    Disconnect the yaw rate and deceleration sensor connector.

  1. Turn the ignition switch on.

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

    Voltage:
    Tester Connection
    Specified Condition
    Y1-5 (IG) - Body ground
    10 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2. CHECK HARNESS AND CONNECTOR (BETWEEN YAW RATE AND DECELERATION SENSOR AND BODY GROUND)

  1. F045082E04
    Disconnect the yaw rate and deceleration sensor connector.

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

    Resistance:
    Tester Connection
    Specified Condition
    Y1-1 (GND) - Body ground
    Below 1 Ω



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE YAW RATE AND DECELERATION SENSOR


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