DESCRIPTION
The No. 1 headlight ECU sub-assembly controls the cornering lights.
WIRING DIAGRAM
for Multiple Beam Headlight
for Single Beam Headlight
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | CHECK LIGHTS |
(a) Check the illumination of each cornering lights.
Result | Proceed to |
---|---|
LH side cornering light does not illuminate | A |
RH side cornering light does not illuminate | B |
B | ![]() | GO TO STEP 9 |
|
2. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
for Multiple Beam Headlight | A |
for Single Beam Headlight | B |
B | ![]() | GO TO STEP 4 |
|
3. | PERFORM ACTIVE TEST USING TECHSTREAM |
(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 / AFS / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > AFS > Active Test Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
Cornering Light | Cornering lights | OFF or ON | - |
Tester Display |
---|
Cornering Light |
OK:
Cornering lights illuminate.
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() | GO TO STEP 5 |
4. | PERFORM ACTIVE TEST USING TECHSTREAM |
(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 / HL AutoLeveling / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > HL AutoLeveling > Active Test Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
Cornering Light | Cornering lights | OFF or ON | - |
Tester Display |
---|
Cornering Light |
OK:
Cornering lights illuminate.
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
5. | CHECK HARNESS AND CONNECTOR (POWER SOURCE - CORNERING LIGHT (FOG LIGHT ASSEMBLY LH)) |
*a | Front view of wire harness connector (to Cornering Light (Fog Light Assembly LH)) |
(a) Disconnect the A94 cornering light (fog light assembly LH) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A94-2 (B) - Body ground | Engine switch on (IG) | 11 to 14 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. | CHECK HARNESS AND CONNECTOR (CORNERING LIGHT (FOG LIGHT ASSEMBLY LH) - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A94-4 (E) - Body ground | Always | Below 1 Ω |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. | CHECK HARNESS AND CONNECTOR (CORNERING LIGHT (FOG LIGHT ASSEMBLY LH) - NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH) |
(a) Disconnect the A49 No. 1 headlight ECU sub-assembly LH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A94-3 (CRPL) - A49-9 (CRSL) | Always | Below 1 Ω |
A94-3 (CRPL) or A49-9 (CRSL) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. | INSPECT CORNERING LIGHT (FOG LIGHT ASSEMBLY LH) |
(a) Remove the cornering light (fog light assembly LH).
Click here
(b) Inspect the cornering light (fog light assembly LH).
Click here
OK | ![]() | REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH |
NG | ![]() | REPLACE CORNERING LIGHT (FOG LIGHT ASSEMBLY LH) |
9. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
for Multiple Beam Headlight | A |
for Single Beam Headlight | B |
B | ![]() | GO TO STEP 11 |
|
10. | PERFORM ACTIVE TEST USING TECHSTREAM |
(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 / AFS / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > AFS > Active Test Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
Cornering Light | Cornering lights | OFF or ON | - |
Tester Display |
---|
Cornering Light |
OK:
Cornering lights illuminate.
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() | GO TO STEP 12 |
11. | PERFORM ACTIVE TEST USING TECHSTREAM |
(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 / HL AutoLeveling / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > HL AutoLeveling > Active Test Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
Cornering Light | Cornering lights | OFF or ON | - |
Tester Display |
---|
Cornering Light |
OK:
Cornering lights illuminate.
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
12. | CHECK HARNESS AND CONNECTOR (POWER SOURCE - CORNERING LIGHT (FOG LIGHT ASSEMBLY RH)) |
*a | Front view of wire harness connector (to Cornering Light (Fog Light Assembly RH)) |
(a) Disconnect the A95 cornering light (fog light assembly RH) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
A95-2 (B) - Body ground | Engine switch on (IG) | 11 to 14 V |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
13. | CHECK HARNESS AND CONNECTOR (CORNERING LIGHT (FOG LIGHT ASSEMBLY RH) - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A95-4 (E) - Body ground | Always | Below 1 Ω |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
14. | CHECK HARNESS AND CONNECTOR (CORNERING LIGHT (FOG LIGHT ASSEMBLY RH) - NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the A50 No. 1 headlight ECU sub-assembly RH connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A95-3 (CRPR) - A50-9 (CRSR) | Always | Below 1 Ω |
A95-3 (CRPR) or A50-9 (CRSR) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
15. | INSPECT CORNERING LIGHT (FOG LIGHT ASSEMBLY RH) |
(a) Remove the cornering light (fog light assembly RH).
Click here
(b) Inspect the cornering light (fog light assembly RH).
Click here
OK | ![]() | REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH |
NG | ![]() | REPLACE CORNERING LIGHT (FOG LIGHT ASSEMBLY RH) |
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