DESCRIPTION
After the headup display (meter mirror sub-assembly) has started, the headup display (meter mirror sub-assembly) attempts to detect the radio receiver assembly by performing communication via local bus.
This DTC is stored when the radio receiver assembly has been detected but communication between the headup display (meter mirror sub-assembly) and radio receiver assembly is interrupted.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
---|---|---|---|---|---|
B1321 | Lost Communication with EMV | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
| DTC stored | - |
WIRING DIAGRAM
PROCEDURE
1. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
w/o Navigation System | A |
w/ Navigation System | B |
B | ![]() | GO TO STEP 3 |
|
2. | CHECK FOR DTC (AUDIO AND VISUAL SYSTEM) |
(a) Check if audio and visual system DTCs are output.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
A | ![]() | GO TO STEP 4 |
B | ![]() | GO TO AUDIO AND VISUAL SYSTEM |
3. | CHECK FOR DTC (NAVIGATION SYSTEM) |
(a) Check if navigation system DTCs are output.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO NAVIGATION SYSTEM |
|
4. | CHECK FOR DTC (METER / GAUGE SYSTEM) |
(a) Check if meter / gauge system DTCs are output.
Body Electrical > Combination Meter > Trouble CodesHINT:
Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
A | ![]() | REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) |
B | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
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