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Self-Diagnosis System › IMU Communication Line Circuit

Service Manual (KLZ1000C) page 689 — Self-Diagnosis System › IMU Communication Line Circuit
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SELF-DIAGNOSIS SYSTEM 17-87
IMU (Inertial Measurement Unit) Communication Error (Service Code E8F)
IMU Communication Line Inspection
○When the data (for status of IMU) is not sent from the IMU
 to the ECU, the service code E8F is displayed.
○The data is sent through the CAN communication line.
○The service code E8F is detected with the ECU.
• Disconnect   the ECU and IMU connectors, and check the
  wiring for continuity between harness connectors.
 Wiring Continuity Inspection
  ECU Connector [A] ←→ IMU Connector [B]
      ECU Terminal 63 [C] ←→ IMU Terminal [D]
      ECU Terminal 64 [E] ←→ IMU Terminal [F]
 If the wiring is good, replace the IMU.
 If the IMU is normal, check the ECU for its ground and
 power supply (see ECU Power Supply Inspection(3-39)).
 If the ground and power supply are good, replace the
 ECU.
IMU Communication Line Circuit

   1. Joint Connector (2)
   2. IMU
   3. ECU