RX400h · Service Manual HEATER & AIR CONDITIONING SYSTEM

B1499/99

Diagnostic trouble codes

DESCRIPTION

DTC No.
 DTC Detecting Condition
 Trouble Area
B1499/99
 Open in multiplex communication circuit
  1. Multiplex communication system

INSPECTION PROCEDURE


1. CHECK DIAGNOSTIC TROUBLE CODE (DTC B1499/99)

  1. Clear the DTC (Click here).

  1. Read the DTC (Click here).

    Result:
    Result
    		 Proceed to
    DTC (B1499/99) is output
    		 A
    DTC (B1499/99) is output
    		 B



B
GO TO MULTIPLEX COMMUNICATION SYSTEM
A

SYSTEM OK


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