Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018QYQ |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B153A; GVIF Disconnected (from Extension Module to H/U); 2018 - 2020 MY Sienna [11/2017 - ] |
DTC
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B153A
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GVIF Disconnected (from Extension Module to H/U)
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DESCRIPTION
DTC Code
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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 navigation ECU to radio and display receiver assembly)
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-
No. 1 navigation wire
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Navigation ECU
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Radio and display receiver assembly
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
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A communication malfunction DTC is stored.
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The radio and display receiver assembly may not operate normally.
PROCEDURE
(a) Clear the DTCs.
(b) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
NG
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2.
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CHECK NAVIGATION WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)
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(a) Disconnect the V14 navigation ECU connector.
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*a
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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)
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(b) Disconnect the V13 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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V14-1 (GVO-) - V13-1 (GV2-)
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Always
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Below 1 Ω
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V14-2 (GVO+) - V13-2 (GV2+)
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Always
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Below 1 Ω
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V14-3 (GVG1) - V13-3 (GVG2)
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Always
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Below 1 Ω
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OK
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|
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3.
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REPLACE NAVIGATION ECU
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(a) Replace the navigation ECU with a new one.
Click here
NEXT
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(a) Clear the DTCs.
(b) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
OK |
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END (NAVIGATION ECU WAS DEFECTIVE)
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