Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001U88H |
Model Year Start: 2021 |
Model: Camry HV |
Prod Date Range: [10/2020 -
] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B153A; GVIF Disconnected (from Extension Module to H/U); 2021 - 2024 MY Camry HV [10/2020 - ] |
DTC
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B153A
|
GVIF Disconnected (from Extension Module to H/U)
|
DESCRIPTION
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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B153A
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GVIF Disconnected (from Extension Module to H/U)
|
GVIF disconnected (from navigation ECU to radio and display receiver assembly)
|
-
No. 1 navigation wire
-
Navigation ECU
-
Radio and display receiver assembly
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
-
When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
-
A communication malfunction DTC may be stored.
-
The radio and display receiver assembly or navigation ECU may not operate normally.
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
NG
|
|
|
2.
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CHECK NO. 1 NAVIGATION WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)
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(a) Disconnect the K149 navigation ECU connector.
|
|
*a
|
Front view of wire harness connector
(to Radio and Display Receiver Assembly)
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*b
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Front view of wire harness connector
(to Navigation ECU)
|
|
|
(b) Disconnect the K150 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
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Specified Condition
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K149-1 (GV0-) - K150-1 (GV2-)
|
Always
|
Below 1 Ω
|
K149-2 (GV0+) - K150-2 (GV2+)
|
Always
|
Below 1 Ω
|
K149-3 (GVG1) - K150-3 (GVG2)
|
Always
|
Below 1 Ω
|
OK
|
|
|
3.
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REPLACE NAVIGATION ECU
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(a) Replace the Navigation ECU with a new one.
Click here
NEXT
|
|
|
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
OK |
|
END (NAVIGATION ECU IS DEFECTIVE)
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