Illumination Circuit
LIGHTING: LIGHTING SYSTEM: Illumination Circuit
- Illumination Circuit
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. PERFORM ACTIVE TEST USING TECHSTREAM (ILLUMINATION LIGHT)
(a) Operate the Techstream according to the steps on the display and select "Active Test".
Main Body
Result
D -- INSPECT ROOM LIGHT SWITCH
C -- INSPECT FOOT LIGHT
B -- INSPECT IGNITION KEY CYLINDER LIGHT
A -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures
2. INSPECT IGNITION KEY CYLINDER LIGHT
(a) w/ Engine Immobiliser System:
(1) Remove the ignition key cylinder light Removal.
(b) w/o Engine Immobiliser System:
(1) Remove the ignition key cylinder light Removal.
(c) Connect the battery's positive (+) lead to terminal 2 (ILL+) and the negative (-) lead to terminal 6 (ILL-), and then check that the light turns on.
OK:
Ignition key cylinder light turns on.
Result
C -- REPLACE IGNITION KEY CYLINDER LIGHT Removal
B -- REPLACE IGNITION KEY CYLINDER LIGHT Removal
A -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (IGNITION KEY CYLINDER LIGHT - MAIN BODY ECU AND BATTERY)
(a) Disconnect the J20*1 or J99*2 light connector.
HINT
*1: w/ Engine Immobiliser System
*2: w/o Engine Immobiliser System
(b) Disconnect the DD ECU connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
w/ Engine Immobiliser System
w/o Engine Immobiliser System:
(d) Measure the resistance according to the value(s) in the table below.
Standard resistance:
w/ Engine Immobiliser System
w/o Engine Immobiliser System:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
4. INSPECT FOOT LIGHT
(a) Remove the foot light Removal.
(b) Connect the battery's positive (+) lead to terminal 2 and the negative (-) lead to terminal 1, and then check that the light turns on.
OK:
Foot light turns on.
NG -- REPLACE FOOT LIGHT Removal
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (FOOT LIGHT - MAIN BODY ECU AND BATTERY)
(a) Disconnect the J51 light connector.
(b) Disconnect the DD ECU connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
(d) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
6. INSPECT ROOM LIGHT SWITCH
(a) Remove the room light switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE ROOM LIGHT SWITCH Removal
OK -- Continue to next step.
7. INSPECT ROOF CONSOLE BOX ASSEMBLY
(a) Remove the roof console box Removal.
(b) Roof console box switch is DOOR.
(c) Connect the battery's positive (+) lead to terminal 2 (B) and the negative (-) lead to terminal 1 (CTY), and then check that the light turns on.
OK:
Map light turns on.
NG -- REPLACE ROOF CONSOLE BOX ASSEMBLY Removal
OK -- Continue to next step.
8. CHECK HARNESS AND CONNECTOR (ROOF CONSOLE BOX - MAIN BODY ECU AND BATTERY)
(a) Disconnect the W7 box connector.
(b) Disconnect the DD ECU connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
(d) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU