Lexus ES300 (1997 year). Manual — part 175
Z19393
Front Fog Light
Fog Light Relay
Combination Switch
Front Fog Light Switch
Instrument Panel Junction Block
FOG Fuse
BE050–01
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
BE–35
1419
1997 LEXUS ES300 (RM511U)
FOG LIGHT SYSTEM
LOCATION
BE051–01
N21571
ON
OFF
11 10
N21563
Wire Harness Side
1 2 3 4 5
6 7 8
9 101112131415
17
16
N14863
1
2
3
5
5
2
1
3
BE–36
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
1420
1997 LEXUS ES300 (RM511U)
INSPECTION
1.
INSPECT FOG LIGHT SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF
–
No continuity
ON
10 – 11
Continuity
If continuity is not as specified, replace the switch.
2.
INSPECT COMBINATION SWITCH CIRCUIT
Connect the wire harness side connector to the combination
switch and inspect wire harness side connector from the back
side.
Tester connection
Condition
Specified condition
10– Ground
Headlight dimmer switch High Beam or Flash
No continuity
10– Ground
Headlight dimmer switch Low Beam
Continuity
11 – Ground
Light control switch OFF or TAIL
No voltage
11 – Ground
Light control switch HEAD
Battery positive voltage
If the circuit is not as specified, inspect the circuit connected to
other parts.
3.
INSPECT FOG LIGHT RELAY CONTINUITY
Condition
Tester connection
Specified condition
Constant
1 – 2
Continuity
Apply B+ between
terminals 1 and 2.
3 – 5
Continuity
If continuity is not as specified, replace the relay.
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
BE–37
1421
1997 LEXUS ES300 (RM511U)
4.
INSPECT FOG LIGHT RELAY CIRCUIT
Remove the relay from the driver’s side relay block and inspect
the connector on relay block side.
Tester connection
Condition
Specified condition
3 – Ground
Constant
Continuity
1 – Ground
Light control switch HEAD
Battery positive voltage
5 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect the circuit connected to
other parts.
BE052–01
N21573
BE–38
–
BODY ELECTRICAL
FOG LIGHT SYSTEM
1422
1997 LEXUS ES300 (RM511U)
ADJUSTMENT
ADJUST FOG LIGHT AIM
A–bolt: Vertical Direction
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