Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM1000000014Z00 |
Model Year Start: 2018 |
Model: Camry |
Prod Date Range: [06/2017 -
] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B153A; GVIF Disconnected (from Extension Module to H/U); 2018 - 2024 MY Camry [06/2017 - ] |
DTC
|
B153A
|
GVIF Disconnected (from Extension Module to H/U)
|
DESCRIPTION
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
B153A
|
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.
|
CHECK NO. 1 NAVIGATION WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)
|
(a) Disconnect the r1 navigation ECU connector.
|
|
*a
|
Front view of wire harness connector
(to Radio and Display Receiver Assembly)
|
*b
|
Front view of wire harness connector
(to Navigation ECU)
|
|
|
(b) Disconnect the r2 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
r1-1 (GVO-) - r2-1 (GV2-)
|
Always
|
Below 1 Ω
|
r1-2 (GVO+) - r2-2 (GV2+)
|
Always
|
Below 1 Ω
|
r1-3 (GVG1) - r2-3 (GVG2)
|
Always
|
Below 1 Ω
|
OK
|
|
|
3.
|
REPLACE NAVIGATION ECU
|
(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)
|
|