DESCRIPTION
The headup display switch assembly (integration control and panel assembly) and headup display (meter mirror sub-assembly) are connected via direct line. The headup display (meter mirror sub-assembly) can be turned off and on by operating the headup display switch assembly (integration control and panel assembly).
WIRING DIAGRAM
PROCEDURE
1. | READ VALUE USING TECHSTREAM (MAIN SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Head Up Display / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Head Up Display > Data List Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
---|---|---|---|---|
Main Switch | Headup display switch assembly | OFF or ON | OFF: Switch released ON: Switch pushed | - |
Tester Display |
---|
Main Switch |
OK:
Headup display switch assembly condition displayed on the Techstream changes with the actual switch operation.
OK | ![]() | REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) |
|
2. | INSPECT HEADUP DISPLAY SWITCH ASSEMBLY (INTEGRATION CONTROL AND PANEL ASSEMBLY) |
(a) Remove the integration control and panel assembly.
Click here
(b) Inspect the integration control and panel assembly.
Click here
NG | ![]() | REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY |
|
3. | CHECK HARNESS AND CONNECTOR (HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) - INTEGRATION CONTROL AND PANEL ASSEMBLY) |
(a) Disconnect the K1 headup display (meter mirror sub-assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
K1-16 (SW1) - J83-5 (ILU) | Always | Below 1 Ω |
K1-15 (E) - J83-15 (CH) | Always | Below 1 Ω |
K1-16 (SW1) or J83-5 (ILU) - Body ground | Always | 10 kΩ or higher |
K1-15 (E) or J83-15 (CH) - Body ground | Always | 10 kΩ or higher |
OK | ![]() | REPLACE HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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