Toyota Corolla 2004 Repair Manual - LIGHTING SYSTEM

65–2

–LIGHTING LIGHTING SYSTEM (April, 2003)

650WM–01

PROBLEM SYMPTOMS TABLE

HINT:
Use the table below to help determine the cause of the problem. The numbers indicate the priority of the
likely cause of the problem. Check each part in order. If necessary, replace these parts.

1. HEADLAMP AND TAIL LAMP

Symptom Suspected Area See page

”LO–Beam” does not come on (One side).

”LO–Beam” does not come on (All).

”HI–Beam” does not come on (One side).

”HI–Beam” does not come on (All).

”Flash” does not operate (All).

Headlamp is dark.

Only one tail lamp comes on.

Both tail lamps do not come on (Headlamps are normal).

Both tail lamps do not come on (Headlamps do not come on).

Headlamp does not come on with engine running, parking brake
released, and light control switch off.

2. FRONT FOG LAMP SYSTEM

1. Bulb

2. HEAD RH LWR fuse or HEAD LH LWR fuse

3. Wire harness

1. HEAD Relay

2. Headlamp dimmer switch assy

3. Daytime running light relay

4. Wire harness

1. Bulb

2. HEAD RH UPR fuse or HEAD LH UPR fuse

3. Wire harness

1. DIMMER relay

2. Headlamp dimmer switch assy

3. Daytime running light relay

4. Wire harness

1. Headlamp dimmer switch assy

2. Daytime running light relay

3. Wire harness

1. Bulb

2. Wire harness

1. Bulb

2. Wire harness

1. TAIL fuse

2. TAIL relay (USA only)

3. Headlamp dimmer switch assy

4. Daytime running light relay (USA only)

5. Wire harness

1. Headlamp dimmer switch assy

2. Wire harness

1. HEAD relay

2. Generator

3. Parking brake switch

4. Daytime running light relay

5. Wire harness

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–
–

65–7
65–7
65–4

–
–

–
–

65–7
65–7
65–4

–

65–7
65–4

–
–

–
–

–

–

65–7
65–7
65–4

–

65–7

–

65–7

–

–

65–4

–

Symptom Suspected Area See page

Front fog lamps do not come on with light control switch in the
HEAD position (Headlamps are normal).

Only one front fog lamp does not come on.

2004 COROLLA (RM1037U)

1. FOG fuse

2. FOG relay

3. Headlamp dimmer switch assy

4. Wire harness

1. Bulb

2. Wire harness

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65–7
65–7

–

–

–

1679Author: Date:

–LIGHTING LIGHTING SYSTEM (April, 2003)

3. TURN SIGNAL AND HAZARD WARNING SYSTEM

Symptom Suspected Area See page

1. HAZARD fuse

”Hazard” and ”Turn” do not come on.

Hazard warning lamp does not come on.
(Turn is normal)

Turn signal does not come on.
(Hazard is normal)

Turn signal does not come on in one direction.

Only one bulb does not come on.

2. Turn signal flasher relay

3. Wire harness

1. Hazard warning signal switch assy

2. Wire harness

1. Headlamp dimmer switch assy

2. Wire harness

1. Headlamp dimmer switch assy

2. Wire harness

1. Bulb

2. Wire harness

4. STOP LAMP SYSTEM

Symptom Suspected Area See page

1. STOP fuse

Both stop lamps do not come on.

Stop lamp always remains ON.

Stop lamp does not come on (One side).

2. Stop lamp switch assy

3. Wire harness

1. Stop lamp switch assy

2. Wire harness

1. Bulb

2. Wire harness

5. BACK UP LAMP SYSTEM

65–3

–

65–4

–

65–7

–

65–7

–

65–7

–

–

–

–

65–7

–

65–7

–

–

–

Symptom Suspected Area See page

Both back up lamps do not come on.

Both back up lamps remain always ON.

Back up lamp does not come on (One side).

6. INTERIOR LAMP SYSTEM

Symptom Suspected Area See page

Room lamp do not come on.

7. LIGHT CONTROL RHEOSTAT SYSTEM

Symptom Suspected Area See page

Light control rheostat system does not operate.

1. GAUGE fuse

2. Back up lamp switch (M/T)

3. Park/Neutral Position switch (A/T)

4. Wire harness

1. Back up lamp switch (M/T)

2. Park/Neutral Position switch (A/T)

3. Wire harness

1. Bulb

2. Wire harness

1. Bulb

2. Wire harness

1. Light control rheostat

2. Wire harness

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65–7

05–379

–

65–7

05–379

–

–

–

–

–

65–7

–

2004 COROLLA (RM1037U)

1680Author: Date: