Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 290
LIGHTING – LIGHTING SYSTEM
LI–57
LI
(a) Check the wire harness between the main body ECU
and rear door courtesy switch LH (upper and lower).
(1) Disconnect the E7 main body ECU connector.
(2) Disconnect the J2 and J3 door courtesy switch
connectors.
(3) Measure the resistance.
Standard resistance
(4) Reconnect the main body ECU connector.
(5) Reconnect the door courtesy switch connectors.
7
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY SWITCH - MAIN BODY
ECU)
22
21
17
10
7
24
13 14
16
18
8
19
9
11 12
15
23
20
1
2
3
4
5
6
Wire Harness Side:
RLCY
Front View
Front View
Front View
Door Courtesy Switch (LH Upper) Connector
Door Courtesy Switch (LH Lower) Connector
E7
J2
J3
Main Body ECU Connector
B138180E01
Tester Connection
Condition
Specified Condition
E7-11 (RLCY) - J2-2
Always
Below 1
Ω
E7-11 (RLCY) - J3-1
Always
Below 1
Ω
E7-11 (RLCY) or J2-2 or
J3-1- Body ground
Always
10 k
Ω or higher
LI–58
LIGHTING – LIGHTING SYSTEM
LI
(b) Check the wire harness between the main body ECU
and rear door courtesy switch RH (upper and lower).
(1) Disconnect the E7 main body ECU connector.
(2) Disconnect the I2 and I3 door courtesy switch
connectors.
(3) Measure the resistance.
Standard resistance
(4) Reconnect the main body ECU connector.
(5) Reconnect the door courtesy switch connectors.
NG
OK
Inspection (See page
)
OK:
Door courtesy switch is normal.
NG
OK
Inspection (See page
OK:
Door courtesy switch is normal.
NG
OK
22
21
17
10
7
24
13 14
16
18
8
19
9
11 12
15
23
20
1
2
3
4
5
6
Wire Harness Side:
RRCY
Front View
Front View
Front View
Door Courtesy Switch (RH Upper)
Connector
Door Courtesy Switch (RH Lower)
Connector
E7
I2
I3
Main Body ECU Connector
B138180E02
Tester Connection
Condition
Specified Condition
E7-12 (RRCY) - I2-2
Always
Below 1
Ω
E7-12 (RRCY) - I3-1
Always
Below 1
Ω
E7-12 (RRCY) or I2-2 or
I3-1- Body ground
Always
10 k
Ω or higher
REPAIR OR REPLACE HARNESS OR
CONNECTOR
REPLACE MAIN BODY ECU
8
INSPECT BACK DOOR COURTESY SWITCH
REPLACE BACK DOOR COURTESY SWITCH
9
INSPECT BACK WINDOW LOCK ASSEMBLY (BACK WINDOW COURTESY SWITCH)
REPLACE BACK WINDOW LOCK
ASSEMBLY
LIGHTING – LIGHTING SYSTEM
LI–59
LI
(a) Disconnect the L2 back door courtesy switch connector.
(b) Disconnect the S6 back window lock assembly
connector.
(c) Measure the voltage.
Standard voltage
(d) Reconnect the back door courtesy switch connector.
(e) Reconnect the back window lock assembly connector.
NG
OK
10
CHECK HARNESS AND CONNECTOR (BACK DOOR COURTESY, BACK WINDOW
COURTESY - MAIN BODY ECU)
1
2
3
4
1
Wire Harness Side:
Back Window Courtesy Switch
Connector
Front View
Front View
Back Door Courtesy Switch
Connector
S6
L2
B138181E01
Tester Connection
Condition
Specified Condition
L2-1 - Body ground
Always
11 to 14 V
S6-4 - Body ground
Always
11 to 14 V
REPAIR OR REPLACE HARNESS OR
CONNECTOR
REPLACE MAIN BODY ECU
LI–60
LIGHTING – LIGHTING SYSTEM
LI
DESCRIPTION
Upon receiving signals from the switches, the main body ECU illuminates the lights.
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester with CAN VIM to DLC3.
(b) Turn the ignition switch ON.
(c) Turn the intelligent tester on.
Illumination Circuit
1
PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Main Body ECU
Room Light Assembly
DOME
ILE
LMRY
GND2
To Battery
GND1
Rear Room Light Assembly
B136094E01
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