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Headlight
Service Hints
HEAD Relay
1–2 : Closed with the light control SW at Head position or the dimmer SW at Flash position
Closed with the engine running and the parking brake lever is released (Parking brake SW off)
D2 Daytime Running Light Relay
12–Ground : Approx. 12 volts with the ignition SW at ON position
7–Ground : Approx. 12 volts with the light control SW at Head position or the dimmer SW at Flash position
3, 6, 14–Ground : Always approx. 12 volts
11–Ground : Continuity with the parking brake lever pulled up
8–Ground : 13.2–14.0 volts with the engine running at 5000 rpm and 115°C (239°F)
2–Ground : Always continuity
16–Ground : Continuity with the dimmer SW at High or Flash position
10–Ground : Continuity with the brake fluid level not enough or the parking brake lever pulled up
: Parts Location
Code
A18
34
B2
32
C9
34
C12
34
D2
34
: Relay Blocks
Code
See Page
1
22
3
28
: Junction Block and Wire Harness Connector
Code
See Page
IC
25
IG
25
25
IH
IL
24
3B
28
28
3C
4B
30
30
4C
: Connector Joining Wire Harness and Wire Harness
Code
See Page
IA2
IA4
40
40
IA5
IA6
IE1
42
II2
42
: Ground Points
Code
See Page
EA
38
ED
38
IE
40
74
See Page
Code
G1
H1
H2
H3
H4
Relay Blocks (Relay Block Location)
Engine Room R/B (Engine Compartment Left)
RH R/B (Right Side of the Instrument Panel Reinforcement)
Junction Block and Wire Harness (Connector Location)
Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)
Instrument Panel Wire and RH J/B (Right Side of the Instrument Panel Reinforcement)
Instrument Panel Wire and RH J/B (Right Side of the Instrument Panel Reinforcement)
Instrument Panel Wire and Center J/B (Behind the Combination Meter)
Instrument Panel Wire and Center J/B (Behind the Combination Meter)
Joining Wire Harness and Wire Harness (Connector Location)
Engine Room Main Wire and Instrument Panel Wire (Left Side of the Instrument Panel Reinforcement)
Engine Room Main Wire and Instrument Panel Wire (Left Side of the Instrument Panel Reinforcement)
Instrument Panel Wire and Instrument Panel No.4 Wire (Behind the Combination Meter)
Engine Wire and Instrument Panel Wire (Blower Unit RH)
Ground Points Location
Front Right Fender
Front Left Suspension Tower
Behind the Combination Meter
See Page
32
32
32
32
32
(
2004 COROLLA (EWD533U)
Code
See Page
J1
33
J6
35
P3
35
S1
33
)
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