RX400h · Service Manual BODY ELECTRICAL

58-44

Diagnostic trouble codes

DESCRIPTION

DTC No.
DTC Detection Condition
Trouble Areas
58-44
Map player error is detected
Navigation ECU
80-44
Map player error is detected

INSPECTION PROCEDURE

HINT:
After the inspection is completed, clear the DTCs.


1. CHECK NAVIGATION ECU
  1. Check if a disc can be inserted or ejected normally.

    OK:
    A disc can be inserted or ejected normally.



NG
REPLACE NAVIGATION ECU
OK


2. DTC CLEAR AND RECHECK
  1. Clear the DTC (Click here).

  1. Recheck DTCs and check if the same trouble occurs again.

    OK:
    Same problem does not occur.



OK
END
NG

REPLACE NAVIGATION ECU


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