Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 280
LIGHTING – LIGHTING SYSTEM
LI–17
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(a) Disconnect the 1A, 1B, 1E, and 1H main body ECU
(driver side J/B) connectors.
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1G
1L
1K
1J
1H
1G
1H
1L
1J
1K
Main Body ECU:
Front View:
B136052E01
LI–18
LIGHTING – LIGHTING SYSTEM
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(b) Measure the voltages and resistances of the wire
harness side connectors.
Standard:
If the result is not as specified, there may be a
malfunction in the wire harness.
(c) Reconnect the main body ECU (driver side J/B)
connectors.
(d) Measure the voltages of the wire harness side
connectors.
Standard voltage:
Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
GND1 (1H-2) - Body
ground
W-B - Body ground
Ground
Always
Below 1
Ω
BECU (1B-4) - Body
ground
W-R - Body ground
Power source circuit
(From battery)
Always
11 to 14 V
BDR1 (1E-9) - Body
ground
B-Y - Body ground
Power source circuit
(From battery)
Always
11 to 14 V
GND2 (1A-7) - Body
ground
W - Body ground
Ground
Always
Below 1
Ω
Symbols (Terminal
No.)
Wiring Color
Terminal Description
Condition
Specified Condition
SIG - (1F-8) Body
ground
B-R - Body ground
Ignition switch signal
Ignition switch OFF
Below 1 V
Ignition switch ON
10 to 14 V
ILE (1A-8) - Body
ground
W - Body ground
Illumination signal (To
room light assembly)
Driver door closed
10 to 14 V
Driver door open
Below 1 V
HRLY (1B-8) - Body
ground
Y-P - Body ground
HEAD signal (To HEAD
relay)
Light control switch OFF or
in TAIL
10 to 14 V
Light control switch in HEAD
Below 1 V
TRLY (1E-16) - Body
ground
V - Body ground
TAIL signal (To TAIL relay)
Light control switch OFF
10 to 14 V
Light control switch in TAIL
or HEAD
Below 1 V
ACC (1D-5) - Body
ground
W-G - Body ground
Ignition switch (From
battery) ACC signal circuit
(To ignition switch)
Ignition switch OFF
Below 1 V
Ignition switch ACC
10 to 14 V
H-ON (1B-3)* - Body
ground
GR-G* - Body ground
DRL signal (To DRL relay)
Light control switch OFF or
in TAIL position and engine
running and parking brake
off
Below 1 V
Ignition switch OFF
10 to 14 V
LMRY (E6-3) - Body
ground
GR-R - Body ground
DOME relay output signal
(To DOME relay)
All doors locked
10 to 14 V
Any door open
Below 1 V
DIM* (E6-7) - Body
ground
R-G* - Body ground
DIM relay output signal
(To DIM relay)
Dimmer switch in FLASH or
HIGH
Below 1 V
Dimmer switch in LOW
10 to 14 V
L* (E6-14) - Body
ground
GR* - Body ground
Generator operate
condition signal
Engine start Charge warning
light ON
Below 1 V
Engine start Charge warning
light OFF
10 to 14 V
PKB* (E7-2) - Body
ground
W-R* - Body ground
Parking brake switch
signal
Parking brake switch ON
Below 1 V
Parking brake switch OFF
10 to 14 V
BCTY (E7-7) - Body
ground
W - Body ground
Back door courtesy switch
and back window courtesy
switch input
Back door or back window
open
Below 1 V
Back door and back window
closed
11 to 14 V
RLCY (E7-11) - Body
ground
P-B - Body ground
Rear LH door courtesy
switch input
Rear LH door open
Below 1 V
Rear LH door closed
11 to 14 V
LIGHTING – LIGHTING SYSTEM
LI–19
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HINT:
*: w/ daytime running light system
If the result is not as specified, there may be a
malfunction in the wire harness.
RRCY (E7-12) - Body
ground
P-L - Body ground
Rear RH door courtesy
switch input
Rear RH door open
Below 1 V
Rear RH door closed
11 to 14 V
DCTY (E7-23) - Body
ground
R-B - Body ground
Driver door courtesy
switch input
Driver door open
Below 1 V
Driver door closed
11 to 14 V
PCTY (E7-24) - Body
ground
G-Y - Body ground
Front passenger door
courtesy switch input
Front passenger door open
Below 1 V
Front passenger door
closed
11 to 14 V
HEAD (E8-1) - Body
ground
R - Body ground
Light control switch
(HEAD signal)
Light control switch OFF
11 to 14 V
Light control switch is ON
Below 1 V
HU* (E8-2) - Body
ground
R-G* - Body ground
Headlight dimmer switch
(HIGH signal)
Headlight dimmer switch in
HIGH
Below 1 V
Headlight dimmer switch in
LOW
11 to 14 V
HF (E8-7) - Body ground
R-W - Body ground
Headlight dimmer switch
(FLASH signal)
Headlight dimmer switch in
FLASH
Below 1 V
Headlight dimmer switch in
LOW or HIGH
11 to 14 V
TAIL (E8-8) - Body
ground
G - Body ground
Light control switch (TAIL
signal)
Light control switch in TAIL
Below 1 V
Light control switch OFF
11 to 14 V
DRLP (E8-12) - Body
ground
V-Y - Body ground
Open door warning light
output
Open door warning light ON
Below 1.2 V
Open door warning light
OFF
10 to 14 V
HF2 (E8-20) - Body
ground
Y-P - Body ground
Headlight dimmer switch
(FLASH signal)
Headlight dimmer switch in
FLASH
Below 1 V
Headlight dimmer switch in
LOW or HIGH
10 to 14 V
Symbols (Terminal
No.)
Wiring Color
Terminal Description
Condition
Specified Condition
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LIGHTING – LIGHTING SYSTEM
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DATA LIST / ACTIVE TEST
1.
READ DATA LIST
HINT:
Using the intelligent tester's DATA LIST allows a switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the DATA LIST early in
troubleshooting is one way to save time.
(a) Connect the intelligent tester with CAN VIM to the
DLC3.
(b) Turn the ignition switch ON.
(c) Read the DATA LIST according to the prompts
displayed on the tester.
BODY:
2.
PERFORM ACTIVE TEST
HINT:
Performing the intelligent tester's ACTIVE TEST allows
relays, VSV, actuators and other items to be operated
without removing any parts. Performing the ACTIVE
TEST early in troubleshooting is one way to save time.
The DATA LIST can be displayed during the ACTIVE
TEST.
(a) Connect the intelligent tester with CAN VIM to the
DLC3.
Item
Measurement Item/Dispay
(Range)
Normal Condition
Diagnostic Note
D DOR CTY SW
Driver door courtesy switch
signal/ON or OFF
ON :Driver door is open
OFF: Driver door is closed
-
P DOR CTY SW
Front passenger door courtesy
switch signal/ON or OFF
ON: Front passenger door is
open
OFF: Front passenger door is
closed
-
Rr DOR CTY SW
Rear door courtesy switch signal/
ON or OFF
ON: Either right or left rear door is
open
OFF: Both right and left rear
doors are closed
-
LUGG COURTSY SW
Back door and back window
courtesy switch signal/ON or OFF
ON: Either back door or back
window is open
OFF: Both back door and back
window are closed
-
DIMMER SW
Dimmer switch signal/ON or OFF
ON: Dimmer switch is ON (High
Beam) or High flasher switch is
ON
OFF: Dimmer switch is OFF (Low
Beam) or High flasher switch is
OFF
-
HIGH FLASER SW
High flasher switch signal/ON or
OFF
ON: High flasher switch is ON
OFF: High flasher switch is OFF
-
HEAD LIGHT SW
Head light switch signal/ON or
OFF
ON: Light control switch is in
HEAD position
OFF: Light control switch is not in
HEAD position
-
TAIL LIGHT SW
Taillight switch signal/ON or OFF
ON: Light control switch is in TAIL
or HEAD position
OFF: Light control switch is OFF
-
ALT L SIG
Generator L terminal signal/ON or
OFF
ON: Engine start Charge warning
light is OFF
OFF: Engine start Charge
warning light is ON
-
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