Last Modified: 12-11-2024 |
6.11:8.1.0 |
Doc ID: RM100000002OYC1 |
Model Year Start: 2025 |
Model: GR Corolla |
Prod Date Range: [09/2024 -
] |
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for 12.3 Inch Display): B151087; Lost Communication with HUD Gigabit Video Interface Missing Message; 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2024 - ] |
DTC
|
B151087
|
Lost Communication with HUD Gigabit Video Interface Missing Message
|
DESCRIPTION
This DTC is stored when a GVIF communication malfunction occurs between the combination meter assembly and meter mirror sub-assembly.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
B151087
|
Lost Communication with HUD Gigabit Video Interface Missing Message
|
Diagnosis Condition:
-
Ignition switch ON
-
IG power source voltage is 9.5 V or more
Malfunction Status:
-
No communication with meter mirror sub-assembly
-
A malfunction signal received from meter mirror sub-assembly
|
-
Meter mirror sub-assembly
-
Harness or connector
-
Combination meter assembly
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
When replacing the combination meter assembly, update the ECU security key.
Click here
-
Inspect the fuses of circuits related to this system before performing the following procedure.
PROCEDURE
(a) Turn the settings of the headup display to ON and confirm the startup operation.
Result
|
Proceed to
|
The headup display starts
|
A
|
The headup display does not start
|
B
|
A
|
|
|
2.
|
CHECK HARNESS AND CONNECTOR (METER MIRROR SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
|
(a) Disconnect the I247 meter mirror sub-assembly connector.
(b) Disconnect the I248 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
I248-1 (MGV+) - I247-2 (HGV+)
|
Always
|
Below 1 Ω
|
I248-2 (MGV-) - I247-1 (HGV-)
|
Always
|
Below 1 Ω
|
I248-3 (MGVG) - I247-3 (HGVG)
|
Always
|
Below 1 Ω
|
I248-1 (MGV+) or I247-2 (HGV+) - Body ground
|
Always
|
10 kΩ or higher
|
I248-2 (MGV-) or I247-1 (HGV-) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
|
REPLACE METER MIRROR SUB-ASSEMBLY
|
(a) Replace the meter mirror sub-assembly with a new or known good one.
HINT:
Click here
NEXT
|
|
|
(a) Clear the DTCs.
Body Electrical > Combination Meter > Clear DTCs
NEXT
|
|
|
(a) Check for DTCs.
Body Electrical > Combination Meter > Trouble Codes
Result
|
Proceed to
|
DTC B151087 is not output
|
A
|
DTC B151087 is output
|
B
|
A |
|
END (METER MIRROR SUB-ASSEMBLY IS DEFECTIVE)
|
6.
|
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
|
(a) Disconnect the I239 meter mirror sub-assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
I239-5 (B) - Body ground
|
Ignition switch ON
|
11 to 14 V
|
I239-10 (IG) - Body ground
|
Ignition switch off
|
Below 1 V
|
I239-10 (IG) - Body ground
|
Ignition switch ON
|
11 to 14 V
|
Result:
|
|
*a
|
Front view of wire harness connector
(to Meter Mirror Sub-assembly)
|
|
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
7.
|
CHECK HARNESS AND CONNECTOR (METER MIRROR SUB-ASSEMBLY - BODY GROUND)
|
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
I239-6 (ES)- Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|