(a) Check if the CAN communication system DTC is output See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/Diagnosis System.
(b) Start the engine.
(c) Drive the vehicle, accelerate to a speed of 3 km/h (2 mph) or more, and check if the speed sensor DTC (brake control system DTC) is
output See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes.
Result:
C -- REPAIR CIRCUIT INDICATOR BY OUTPUT CODE (BRAKE CONTROL SYSTEM) See: Diagnostic Trouble Code
Descriptions/Vehicle Stability Control System
B -- REPAIR CIRCUIT INDICATOR BY OUTPUT CODE (CAN COMMUNICATION SYSTEM) See: Diagnostic Trouble
Code Descriptions/CAN Communication System
A -- Continue to next step.
2. INSPECT BATTERY
(a) Check the battery voltage.
Standard Voltage:
11 to 14 V
NG -- INSPECT CHARGING SYSTEM
OK -- Continue to next step.
3. CHECK WIRE HARNESS (4WD CONTROL ECU - BATTERY)
(a) Disconnect the ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard Voltage:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK WIRE HARNESS (4WD CONTROL ECU - BODY GROUND)
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