Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 288
LIGHTING – LIGHTING SYSTEM
LI–49
LI
DESCRIPTION
This circuit detects the state of the headlight dimmer switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester with CAN VIM to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the intelligent tester on.
Light Control Switch Circuit
1
READ VALUE OF INTELLIGENT TESTER
Headlight Dimmer Switch Assembly
To Headlight (High)
*1: w/o Daytime running light system
*2: w/ Daytime running light system
To Headlight (Low)
Dimmer Switch
Light Control Switch
HF
H
T
H
T
HU
HF
HU
HF
HU
EL
(*1)
(*1)
(*2)
EL
TAIL
HL
HU
HL
OFF
Tail
Head
Flash
Low
High
ED
HEAD
Main Body ECU
B136091E01
LI–50
LIGHTING – LIGHTING SYSTEM
LI
(d) Select the item(s) in the DATA LIST, and read the display
on the intelligent tester.
BODY
OK:
Condition information can be displayed.
OK
NG
(a) Remove the headlight dimmer switch assembly.
(b) Measure the resistance.
(1) Light Control Switch:
Standard resistance
(2) Headlight Dimmer Switch Switch:
Standard resistance
(c) Reinstall the headlight dimmer switch assembly.
Item
Measurement Item / Display
(Range)
Normal Condition
Diagnostic Note
HIGH FLASER SW
Passing light switch signal /
ON or OFF
ON: Headlight dimmer switch
is in FLASH (PASS) position
OFF: Headlight dimmer switch
is not in FLASH (PASS)
position
-
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
-
HEAD LIGHT SW
Headlight control 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 in
OFF position
-
PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN IN PROBLEM SYMPTOMS TABLE
2
INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY
Component Side:
HL
HF
HU
EL
T
H
Headlight Dimmer Switch
B136086E02
Tester Connection
Condition
Specified Condition
14 (T) - 16 (EL)
OFF
10 k
Ω or higher
13 (H) - 16 (EL)
14 (T) - 16 (EL)
TAIL
Below 1
Ω
13 (H) - 16 (EL)
10 k
Ω or higher
14 (T) - 16 (EL)
HEAD
Below 1
Ω
13 (H) - 16 (EL)
Below 1
Ω
Tester Connection
Condition
Specified Condition
7 (HU) - 16 (EL)
HIGH BEAM
Below 1
Ω
17 (HL) - 16 (EL)
LOW BEAM
Below 1
Ω
7 (HU) - 8 (HF) - 16 (EL)
FLASH
Below 1
Ω
LIGHTING – LIGHTING SYSTEM
LI–51
LI
NG
OK
(a) Disconnect the E8 main body ECU connector.
(b) Disconnect the E20 headlight dimmer switch assembly
connector.
(c) Measure the resistance.
Standard resistance
HINT:
*: w/ Daytime running light system
(d) Reconnect the main body ECU connector.
(e) Reconnect the headlight dimmer switch assembly
connector.
NG
OK
HINT:
*: w/o Daytime running light system
REPLACE HEADLIGHT DIMMER SWITCH
ASSEMBLY
3
CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - MAIN BODY
ECU)
23
22
26
18
10
7
25
13 14
16 17
19
8
20
9
11 12
15
24
21
1
2
3
4
5
6
Wire Harness Side:
HF
EL
HU
HU
H
HF
TAIL
HEAD
T
Main Body ECU Connector
Front View
Front View
Headlight Dimmer Switch Assembly
Connector
E20
E8
B138177E01
Tester Connection
Specified Condition
E20-8 (HF) - E8-7 (HF)
Below 1
Ω
E20-8 (HF) or E8-7 (HF) - Body
ground
10 k
Ω or higher
E20-14 (T) - E8-8 (TAIL)
Below 1
Ω
E20-14 (T) or E8-8 (TAIL) - Body
ground
10 k
Ω or higher
E20-13 (H) - E8-1 (HEAD)
Below 1
Ω
E20-13 (H) or E8-1 (HEAD) - Body
ground
10 k
Ω or higher
E20-7 (HU) - E8-2 (HU)*
Below 1
Ω
E20-7 (HU) or E8-2 (HU)* - Body
ground
10 k
Ω or higher
E20-16 (EL) - Body ground
Below 1
Ω
REPAIR OR REPLACE HARNESS OR
CONNECTOR
4
CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - HEADLIGHT*)
LI–52
LIGHTING – LIGHTING SYSTEM
LI
(a) Disconnect the E20 headlight dimmer switch assembly
connector.
(b) Disconnect the A23 and A24 headlight connectors.
(c) Measure the resistance.
Standard resistance
(d) Reconnect the headlight dimmer switch assembly
connector.
(e) Reconnect the headlight connectors.
NG
OK
Wire Harness Side:
HL
HU
Headlight Connector
Front View
Front View
Headlight dimmer Switch Assembly
Connector
*1: LH
*2: RH
E20
A23
A24
*
1
*
2
B138178E01
Tester Connection
Specified Condition
E20-17 (HL) - A23-1
Below 1
Ω
E20-17 (HL) - A24-1
Below 1
Ω
E20-7 (HU) - A23-2
Below 1
Ω
E20-7 (HU) - A24-2
Below 1
Ω
REPAIR OR REPLACE HARNESS OR
CONNECTOR
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст