2004 COROLLA (EWD533U)
74
Headlight
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 See Page Code See Page Code See Page
A18 34 G1 32 J1 33
B2 32 H1 32 J6 35
C9 34 H2 32 P3 35
C12 34 H3 32 S1 33
D2 34 H4 32
:
Relay Blocks
Code See Page Relay Blocks (Relay Block Location)
1 22 Engine Room R/B (Engine Compartment Left)
3 28 RH R/B (Right Side of the Instrument Panel Reinforcement)
:
Junction Block and Wire Harness Connector
Code See Page Junction Block and Wire Harness (Connector Location)
IC 25 Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
IG
4C
30 Instrument Panel Wire and Center J/B (Behind the Combination Meter)
:
Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IA2
IA4
IA5
40 Engine Room Main Wire and Instrument Panel Wire (Left Side of the Instrument Panel Reinforcement)
IA6
IE1 42 Instrument Panel Wire and Instrument Panel No.4 Wire (Behind the Combination Meter)
II2 42 Engine Wire and Instrument Panel Wire (Blower Unit RH)
:
Ground Points
Code See Page Ground Points Location
EA 38 Front Right Fender
ED 38 Front Left Suspension Tower
IE 40 Behind the Combination Meter
Service Hints
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