headlight bulb TOYOTA RAV4 2006 Service Repair Manual

LIGHTING – LIGHTING SYSTEMLI–15
LI
PROBLEM SYMPTOMS TABLE
(2005/11-2006/01)
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "Suspected area" column of
the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace parts as
necessary.
Headlight and taillight system
Symptom Suspected area See page
"Low beam" does not comes on (One side).1. HEAD LL fuse, HEAD RL fuse LI-31
2. Bulb LI-31
3. Light control switch circuitLI-62
4. Headlight relay circuitLI-28
5. Instrument panel junction blockLI-19
"Low beam" does not come on (Both sides).1. HEAD LL fuse, HEAD RL fuse LI-31
2. Bulb LI-31
3. Light control switch circuitLI-62
4. Headlight relay circuitLI-28
5. Instrument panel junction blockLI-19
"High beam" does not come on (One side).1. HEAD LH fuse, HEAD RH fuse LI-41
2. HEAD RL fuse LI-31
3. Bulb LI-42
4. Light control switch circuitLI-62
5. Headlight (Hi-beam) circuitLI-37
6. Instrument panel junction blockLI-19
"High beam" does not come on (Both sides).1. HEAD LH fuse, HEAD RH fuse LI-41
2. HEAD RL fuse LI-31
3. Bulb LI-42
4. Light control switch circuitLI-62
5. Headlight (Hi-beam) circuitLI-37
6. Instrument panel junction blockLI-19
"Low beam" and "High beam" do not come on (One
side).1. HEAD LL fuse, HEAD RL fuse LI-31
2. HEAD LH fuse, HEAD RH fuse LI-41
3. Bulb (high) LI-42
4. Bulb (low) LI-31
5. Light control switch circuitLI-62
6. Headlight relay circuitLI-28
7. Headlight (Hi-beam) circuitLI-37
8. Instrument panel junction blockLI-19
"Low beam" and "High beam" do not come on (Both
sides).1. HEAD LL fuse, HEAD RL fuse LI-31
2. HEAD LH fuse, HEAD RH fuse LI-41
3. Bulb (high) LI-42
4. Bulb (low) LI-31
5. Light control switch circuitLI-62
6. Headlight relay circuitLI-28
7. Headlight (Hi-beam) circuitLI-37
8. Instrument panel junction blockLI-19
"Flash" does not come on (Low beam and Hi-beam are
normal).1. Light control switch circuitLI-62
2. Instrument panel junction blockLI-19

LI–16LIGHTING – LIGHTING SYSTEM
LI
Light auto turn off system
Fog light system
Turn signal and hazard warning system
Headlight is dark.1. Bulb -
2. Wire harness -
Taillight does not come on (All).1. TAIL fuse LI-87
2. Light control switch circuitLI-62
3. Taillight relay circuitLI-83
4. Instrument panel junction blockLI-19
Only one front side marker light comes on.1. Bulb LI-90
2. Wire harness LI-90
Only one taillight comes on.1. Rear combination lightLI-107
2. Wire harness LI-91
Only one rear side marker light comes on.1. Bulb LI-92
2. Wire harness LI-92
Daytime running light system does not operate.1. Light control switch circuitLI-62
2. CAN communication lineCA-58
3. Parking brake switch circuitPB-14
4. Daytime running light relay circuitLI-33
5. Instrument panel junction blockLI-19
Symptom Suspected area See page
Light auto turn off system does not operate.1. Light control switch circuitLI-62
2. Ignition switchST-18
3. Door courtesy switch circuitLI-66
4. Instrument panel junction blockLI-19
Symptom Suspected area See page
Front fog light does not come on with light control
switch in TAIL or HEAD position.1. FF FOG fuse LI-48
2. Front fog light relay LI-49
3. Light control switch circuitLI-62
4. Front fog light circuitLI-45
5. Instrument panel junction blockLI-19
Only one front fog light does not come on.1. Bulb LI-48
2. Wire harnessLI-45
Symptom Suspected area See page
"Hazard" and "Turn" do not come on.1. HAZ fuse LI-59
2. ECU-IG2 fuse LI-53
3. Ignition switchST-18
4. Turn signal flasher relayLI-145
5. Wire harness -
Hazard warning light does not come on (Turn is
normal).1. Hazard warning switch LI-60
2. Wire harnessLI-56
Turn signal does not come on (Hazard is normal).1. Headlight dimmer switch (turn signal switch) LI-54
2. Wire harnessLI-50
Turn signal does not come on in one direction.1. Headlight dimmer switch (turn signal switch) LI-54
2. Wire harnessLI-50
Only one bulb does not come on.1. Bulb LI-56
2. Wire harnessLI-50 Symptom Suspected area See page

LI–18LIGHTING – LIGHTING SYSTEM
LI
PROBLEM SYMPTOMS TABLE
(2006/01- )
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "Suspected Area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace parts as
necessary.
Headlight and taillight system
Symptom Suspected Area See page
"Low beam" does not comes on (One side).1. HEAD LL fuse, HEAD RL fuse LI-31
2. Bulb LI-31
3. Light control switch circuitLI-62
4. Headlight relay circuitLI-28
5. Instrument panel junction blockLI-19
"Low beam" does not come on (Both sides).1. HEAD LL fuse, HEAD RL fuse LI-31
2. Bulb LI-31
3. Light control switch circuitLI-62
4. Headlight relay circuitLI-28
5. Instrument panel junction blockLI-19
"High beam" does not come on (One side).1. HEAD LH fuse, HEAD RH fuse LI-41
2. HEAD RL fuse LI-31
3. Bulb LI-42
4. Light control switch circuitLI-62
5. Headlight (Hi-beam) circuitLI-37
6. Instrument panel junction blockLI-19
"High beam" does not come on (Both sides).1. HEAD LH fuse, HEAD RH fuse LI-41
2. HEAD RL fuse LI-31
3. Bulb LI-42
4. Light control switch circuitLI-62
5. Headlight (Hi-beam) circuitLI-37
6. Instrument panel junction blockLI-19
"Low beam" and "High beam" do not come on (One
side).1. HEAD LL fuse, HEAD RL fuse LI-31
2. HEAD LH fuse, HEAD RH fuse LI-41
3. Bulb (high) LI-42
4. Bulb (low) LI-31
5. Light control switch circuitLI-62
6. Headlight relay circuitLI-28
7. Headlight (Hi-beam) circuitLI-37
8. Instrument panel junction blockLI-19
"Low beam" and "High beam" do not come on (Both
sides).1. HEAD LL fuse, HEAD RL fuse LI-31
2. HEAD LH fuse, HEAD RH fuse LI-41
3. Bulb (high) LI-42
4. Bulb (low) LI-31
5. Light control switch circuitLI-62
6. Headlight relay circuitLI-28
7. Headlight (Hi-beam) circuitLI-37
8. Instrument panel junction blockLI-19
"Flash" does not come on (Low beam and Hi-beam are
normal).1. Light control switch circuitLI-62
2. Instrument panel junction blockLI-19

LIGHTING – LIGHTING SYSTEMLI–19
LI
Light auto turn off system
Fog light system
Turn signal and hazard warning system
Headlight is dark.1. Bulb -
2. Wire harness -
Taillight does not come on (All).1. TAIL fuse LI-87
2. Light control switch circuitLI-62
3. Taillight relay circuitLI-83
4. Instrument panel junction blockLI-19
Only one front side marker light comes on.1. Bulb LI-90
2. Wire harness LI-90
Only one taillight comes on.1. Rear combination lightLI-107
2. Wire harness LI-91
Only one rear side marker light comes on.1. Bulb LI-92
2. Wire harness LI-92
Daytime running light system does not operate.1. Light control switch circuitLI-62
2. CAN communication lineCA-60
3. Parking brake switch circuitPB-14
4. Daytime running light relay circuitLI-33
5. Instrument panel junction blockLI-19
Symptom Suspected Area See page
Light auto turn off system does not operate.1. Light control switch circuitLI-62
2. Ignition switchST-18
3. Door courtesy switch circuitLI-66
4. Instrument panel junction blockLI-19
Symptom Suspected Area See page
Front fog light does not come on with light control
switch in TAIL or HEAD position.1. FF FOG fuse LI-48
2. Front fog light relay LI-49
3. Light control switch circuitLI-62
4. Front fog light circuitLI-45
5. Instrument panel junction blockLI-19
Only one front fog light does not come on.1. Bulb LI-48
2. Wire harnessLI-45
Symptom Suspected Area See page
"Hazard" and "Turn" do not come on.1. HAZ fuse LI-59
2. ECU-IG2 fuse LI-53
3. Ignition switchST-18
4. Turn signal flasher relayLI-145
5. Wire harness -
Hazard warning light does not come on (Turn is
normal).1. Hazard warning switch LI-60
2. Wire harnessLI-56
Turn signal does not come on (Hazard is normal).1. Headlight dimmer switch (turn signal switch) LI-54
2. Wire harnessLI-50
Turn signal does not come on in one direction.1. Headlight dimmer switch (turn signal switch) LI-54
2. Wire harnessLI-50
Only one bulb does not come on.1. Bulb LI-56
2. Wire harnessLI-50 Symptom Suspected Area See page

LIGHTING – LIGHTING SYSTEMLI–31
LI
Main body ECU
OK:
Headlight comes on
OK
NG
(a) Remove the HEAD LL fuse and HEAD RL fuse from the
engine room No. 2 relay block.
(b) Measure the resistance of the fuses.
Standard resistance:
Below 1
NG
OK
(a) Remove the headlight relay from the engine room No. 2
relay block.
(b) Measure the resistance of the relay.
Standard resistance
NG
OK
(a) Remove the headlight bulbs (LOW).
(b) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the bulb illuminates.
OK:
Bulb illuminates.
NG
Item Test Details: Display (Range) Diagnostic Note
HEAD LIGHT Headlight Relay ON/OFF -
Go to step 7
2INSPECT FUSE (HEAD LL, HEAD RL)
REPLACE FUSE
3INSPECT HEADLIGHT RELAY (Marking: HEAD)
B112776E03
Tester Connection Specified Condition
3 - 5 10 k
or higher
3 - 5 Below 1
(Battery voltage applied to terminals
1 and 2)
REPLACE HEADLIGHT RELAY
4INSPECT BULB (HEADLIGHT BULB)
C128856E01
REPLACE BULB

LI–32LIGHTING – LIGHTING SYSTEM
LI
OK
(a) Disconnect the E15 main body ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage
NG
OK
(a) Measure the voltage of the main body ECU.
Standard voltage
NG
OK
5CHECK WIRE HARNESS (MAIN BODY ECU - BATTERY)
E114538E17
Tester Connection Specified Condition
E15-20 (HRLY) - Body ground 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR
6CHECK INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
B118233E03
Tester Connection Condition Specified Condition
E15-20 (HRLY) - Body
groundLight control switch
OFF10 to 14 V
E15-20 (HRLY) - Body
groundLight control switch
HEADBelow 1 V
REPLACE INSTRUMENT PANEL JUNCTION
BLOCK (MAIN BODY ECU)
REPAIR OR REPLACE HARNESS AND CONNECTOR (HEAD RELAY - HEADLIGHT BULB AND
BODY GROUND)

LIGHTING – LIGHTING SYSTEMLI–37
LI
(a) Remove the headlight bulb (high).
(b) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the bulb illuminates.
NG
OK
(a) Remove the No. 2 daytime running light relay from the
engine room No. 2 relay block.
(b) Measure the voltage of the relay block.
Standard voltage
NG
OK
3INSPECT HEADLIGHT BULB (HIGH)
C128857E01
REPLACE HEADLIGHT BULB (HIGH)
4CHECK WIRE HARNESS (BATTERY - NO. 2 DAYTIME RUNNING LIGHT RELAY)
B118199E04
Tester Connection Specified Condition
Relay block daytime running light
No. 2 relay terminal 5 - Body ground10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR

LI–38LIGHTING – LIGHTING SYSTEM
LI
(a) Remove the No. 2 daytime running light relay from the
engine room No. 2 relay block.
(b) Disconnect the A14 and A22 headlight (HIGH)
connectors.
(c) Measure the resistance of the wire harness side
connectors and relay block.
Standard resistance
NG
OK
(a) Disconnect the E16 main body ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage
NG
OK
5CHECK WIRE HARNESS (NO. 2 DAYTIME RUNNING LIGHT RELAY - HEADLIGHT BULB
AND BODY GROUND)
B118200E09
Tester Connection Specified Condition
Relay block daytime running light
No. 2 relay terminal 3 - A14-2Below 1
A14-2 - Body ground 10 k or higher
A14-1 - A22-1 Below 1
A14-1 - Body ground 10 k or higher
A22-2 - Body ground Below 1
REPAIR OR REPLACE HARNESS AND
CONNECTOR
6CHECK WIRE HARNESS (MAIN BODY ECU - BATTERY)
B118235E01
Tester Connection Specified Condition
E16-3 (DIM) - Body ground 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR
REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)

LI–42LIGHTING – LIGHTING SYSTEM
LI
(a) Remove the headlight bulb (HIGH).
(b) Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the bulb illuminates.
NG
OK
(a) Disconnect the E16 main body ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage
NG
OK
(a) Remove the headlight relay from the engine room No. 2
relay block.
(b) Disconnect the E15 main body ECU connector.
(c) Measure the voltage of the wire harness side connector.
Standard voltage
NG
OK
5INSPECT HEADLIGHT BULB (HIGH)
C128857E01
REPLACE HEADLIGHT BULB (HIGH)
6CHECK WIRE HARNESS (MAIN BODY ECU - BATTERY)
B118235E01
Tester Connection Specified Condition
E16-3 (DIM) - Body ground 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR
7CHECK WIRE HARNESS (MAIN BODY ECU)
E114538E17
Tester Connection Specified Condition
E15-20 (HRLY) - Body ground 10 to 14 V
REPAIR OR REPLACE HARNESS AND
CONNECTOR

LI–44LIGHTING – LIGHTING SYSTEM
LI
(a) Remove the No. 2 daytime running light relay from the
engine room No. 2 relay block.
(b) Remove the A14 and A22 headlight bulb connectors.
(c) Measure the voltage and resistance of the relay block.
Standard voltage
Standard resistance
NG
OK
9CHECK WIRE HARNESS (BATTERY - NO. 2 DAYTIME RUNNING LIGHT RELAY, BULB
AND BODY GROUND)
B118200E10
Tester Connection Specified Condition
Relay block No. 2 daytime running
light relay terminal 5 - Body ground10 to 14 V
Tester Connection Condition Specified Condition
Relay block No. 2
daytime running light
relay terminal 3 - A14-2Always Below 1
Relay block No. 2
daytime running light
relay terminal 3 - Body
groundAlways 10 k or higher
A14-1 - A22-1 Always Below 1
A14-1 or A22-1 - Body
groundAlways 10 k or higher
A22-2 - Body ground Always Below 1
Relay block No. 2
daytime running light
relay terminal 3 - A22-2Light control switch ON
(HEAD)
Dimmer switch position
LOWBelow 1
Relay block No. 2
daytime running light
relay terminal 3 - Body
groundLight control switch ON
(HEAD)
Dimmer switch position
LOW10 k or higher
A22-1 - Body ground Light control switch ON
(HEAD)
Dimmer switch position
LOWBelow 1
REPAIR OR REPLACE HARNESS AND
CONNECTOR
REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)