Lexus IS250 · Service Manual BODY ELECTRICAL

58-40

Diagnostic trouble codes

DESCRIPTION

DTC No.
DTC Detection Condition
Trouble Area
58-40
GPS antenna error
  1. Wire harness
  1. GPS antenna
  1. Navigation ECU
58-41
Error of the power source to the GPS antenna
80-40
GPS antenna error
80-41
Error of the power source to the GPS antenna

INSPECTION PROCEDURE

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


1. CHECK HARNESS AND CONNECTOR (GPS ANTENNA - NAVIGATION ECU)
  1. Check that the GPS antenna cord is securely connected to the navigation ECU connector.

    OK:
    The cord is securely connected.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2. REPLACE GPS ANTENNA
  1. Replace the GPS antenna with a normal one and check if the same problem occurs again.

    1. Clear the DTCs (Click here).

    2. Recheck for DTCs and check if the same trouble occurs again.

      OK:
      Same problem does not occur.



NG
REPLACE NAVIGATION ECU
OK

END


← 58-1158-42 →