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Clearing Diagnostic Codes

The DOME fuse in engine compartment fuse/relay block provides power to cruise control ECU memory. After completing repairs, clear diagnostic code(s) by removing DOME fuse for at least 10 seconds with ignition off. Ensure the normal code is displayed after reinstalling fuse.

Fig 1: Diagnostic Code Chart (LS400 Shown)
G91G02808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Matrix Chart Of Diagnostic Codes
G93H01710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002