TOYOTA AVENSIS 2003 Service Repair Manual

650SQ±01
65±2
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
PROBLEM SYMPTOMS TABLE
1. HEADLIGHT SYSTEM
SymptomSuspect AreaSee page
Only one headlamp comes on.
1. Bulb
2. H±LP LL, H±LP RL fuse
3. Light control computer (w/ HID)
4. Harness or connector±
±
±
±
Headlamp does not come on (All).
1. H±LP LL, H±LP RL fuse
2. H±HP relay
3. Headlamp dimmer switch assy
4. Harness or connector
5. Integration relay (w/ Daytime running light system)±
±
65±9 ±
±
ºHI±Beamº does not come on (All).
1. Bulb
2. H±LP HI LH, H±LP HI RH fuse
3. DIM relay (w/ Daytime running light system)
4. Headlamp dimmer switch assy
5. Harness or connector
6. Integration relay (w/ Daytime running light system)±
±
±
65±9 ±
±
ºHI±Beamº does not come on (One side).1. Bulb
2. Harness or connector±
±
ºFlashº does not come on.
(Headlamp and Hi±Beam is normal)1. Headlamp dimmer switch assy
2. Harness or connector
3. Integration relay (w/ Daytime running light system)65±9
±
±
Headlamp is dark.1. Bulb
2. Harness or connector±
±
Tail lamp does not come on (All).
1. TAIL fuse
2. TAIL relay
3. Headlamp dimmer switch assy
4. Harness or connector
5. Integration relay (w/ Daytime running light system)±
±
65±9 ±
±
Only one tail lamp comes on.1. Bulb
2. Harness or connector±
±
Rear combination light does not come on.1. Bulb
2. Harness or connector±
±
Daytime running light system does not operate.
1. Headlamp dimmer switch assy
2. Ignition switch
3. Harness or connector
4. Integration relay65±9±
±
±
2. FOG LAMP SYSTEM
SymptomSuspect AreaSee page
Front fog lamp does not come on with light control switch in TAIL
or HEAD position.
1. FR FOG fuse
2. FR FOG relay
3. Headlamp dimmer switch assy
4. Harness or connector±
±
65±9 ±
Only one front fog lamp does not come on.1. Bulb
2. Harness or connector±
±
Rear fog lamp does not come on with light control switch in HEAD
position.
1. RR FOG fuse
2. RR FOG relay
3. Headlamp dimmer switch assy
4. Harness or connector±
±
65±9 ±
Only one rear fog lamp does not come on.1. Bulb
2. Harness or connector±
±
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±
LIGHTING LIGHTING SYSTEM
65±3
AVENSIS REPAIR MANUAL (RM1018E)
3. TURN SIGNAL AND HAZARD WARNING SYSTEM
SymptomSuspect AreaSee page
ºHazardº and ºTurnº do not come on.
1. HAZARD fuse
2. GAUGE2 fuse
3. IG1 relay
4. Ignition switch
5. Turn signal flasher relay
6. Harness or connector±
±
±
±
65±5
±
Hazard warning light does not come on.
(Turn is normal)1. Hazard warning switch
2. Harness or connector65±9±
Turn signal does not come on.
(Hazard is normal)1. Headlamp dimmer switch (turn signal switch)
2. Harness or connector65±9±
Turn signal does not come on in one direction.1. Headlamp dimmer switch (turn signal switch)
2. Harness or connector65±9±
Only one bulb does not come on.1. Bulb
2. Harness or connector±
±
4. ILLUMINATED ENTRY SYSTEM
SymptomSuspect AreaSee page
Illumination lamp of Multiplex body ECU control does not come
on.
1. Ignition switch
2. Door courtesy switch
3. Door lock position switch
4. Harness or connector
5. Integration relay±
65±9
05±1534 ±
±
Illumination lamp of Multiplex body ECU control does not go off.
1. Ignition switch
2. Door courtesy switch
3. Door lock position switch
4. Harness or connector
5. Integration relay±
65±9
05±1534 ±
±
5. HEADLIGHT BEAM LEVEL CONTROL SYSTEM (W/O HID)
SymptomSuspect AreaSee page
Headlight beam level control system does not operate (All).
1. TAIL relay
2. Headlamp leveling switch
3. Harness or connector±
65±9 ±
Headlight beam level control system does not operate (One side).
1. Headlamp leveling switch
2. Headlight beam level control actuator
3. Harness or connector65±9
65±5±
6. HEADLIGHT BEAM LEVEL CONTROL SYSTEM (W/ HID)
SymptomSuspect AreaSee page
Headlight beam level control system does not operate (All).
1. GAUGE2 fuse
2. Ignition switch
3. Speed sensor signal circuit
4. Height control sensor sub±assy
5. Headlamp leveling ECU assy
6. Harness or connector±
±
±
65±9
65±5 ±
Headlight beam level control system does not operate (One side).
1. Headlamp leveling ECU assy
2. Headlight beam level control actuator
3. Harness or connector65±5
65±5±
Beam level warning light comes on.
1. Height control sensor sub±assy
2. Headlamp leveling ECU assy
3. Harness or connector65±9
65±5±
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65±4
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
7. OTHERS
SymptomSuspect AreaSee page
Vanity light does not operate.1. Bulb
2. Harness s or connector±
±
Instrument panel illumination does not operate (All).
1. TAIL relay
2. PANEL fuse
3. Harness or connector
4. Integration relay (w/ DRL)±
±
±
±
Stop light does not operate (All).
1. STOP fuse
2. Stop light switch
3. Harness or connector±
±
±
Back up lamp does not come on (All).
1. GAUGE fuse
2. IG1 relay
3. Back up lamp switch assy (M/T)
4. Park/neutral position switch (A/T)
5. Harness or connector±
±
±
±
±
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650ND±02
E15683
±
LIGHTING LIGHTING SYSTEM
65±5
AVENSIS REPAIR MANUAL (RM1018E)
ON±VEHICLE INSPECTION
1. INSPECT TURN SIGNAL FLASHER CIRCUIT
(a) Measure voltage between the terminal as shown in the
chart below.
Standard:
Tester connectionConditionSpecified condition
1 ± body groundTurn ignition switch ON10 to 14 V
1 ± body groundTurn ignition switch OFFNo voltage
4 ± body groundAlways10 to 14 V
7 ± body groundAlwaysContinuity
(b) Connect the connector to turn the signal flasher and the ignition switch ON, and inspect the wire harness side con-
nector from the back side as shown in the chart.
Standard:
Tester connectionConditionSpecified condition
2 ± body groundHazard switch OFF  ON0V 10 to 14 V (60 to 120 time per minutes)
2 ± body groundTurn signal switch (right turn) OFF  ON0V 10 to 14 V (60 to 120 time per minutes)
3 ± body groundHazard switch OFF  ON0V 10 to 14 V (60 to 120 time per minutes)
3 ± body groundTurn signal switch (left turn) OFF  ON0V 10 to 14 V (60 to 120 time per minutes)
5 ± body groundTurn signal switch (left turn) OFF  ON10 to 14 V 0 V
6 ± body groundTurn signal switch (right turn) OFF  ON10 to 14 V 0 V
8 ± body groundHazard switch OFF  ON10 to 14 V 0 V
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E68999
LH:
RH:
1
1 3
3
2
2
1
25
E68130
65±6
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2. INSPECT HEADLAMP ASSEMBLY (HEADLIGHT BEAM LEVEL CONTROL ACTUATOR OPERATION)
(a) Disconnect the connector from the headlamp assy.
(b) Connect the positive (+) lead from the battery to the termi-
nal 3 of each of the headlight beam level control actuator
and negative (±) lead from the battery to the terminal 1 of
the each of the headlight beam level control actuator.
(c) Connect the positive (+) lead from the battery to the termi- nal 1 of headlamp levering switch and negative (±) lead
from the battery to the terminal 5 of the headlamp levering
switch.
(d) Connect the terminal 2 of the headlamp leveling switch
and the terminal 2 of the each of headlight beam level
control actuator.
(e) Measure voltage between the terminal 2 of the headlamp leveling switch and the battery negative (±) terminal when
headlamp levering switch is operated.
Standard:
Switch positionSpecified condition (V)
08.5 to 11.8
17.4 to 10.3
26.3 to 8.8
35.2 to 7.3
44.1 to 5.8
53.0 to 4.3
3. HEADLAMP LEVELING ECU ASSY
(a) Measure voltage between the terminal as shown in the
chart below.
Standard:
Tester connectionConditionSpecified condition
1 ± body groundTurn ignition switch ON10 to 14 V
1 ± body groundTurn ignition switch OFFNo voltage
10 ± body groundHeadlamp switch is HEADBelow 1 V
24 ± body groundAlwaysContinuity
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±
LIGHTING LIGHTING SYSTEM
65±7
AVENSIS REPAIR MANUAL (RM1018E)
(b) Connect the connector to the headlamp leveling ECU
assy, then turn the ignition switch ON and light control
switch into HEAD position. Inspect the wire harness side
connector from the back side as shown in the chart.
Standard:
Tester connectionConditionSpecified condition
2 ± body groundAlways5 V
3 ± body ground3 secs. after vehicle height change for 10 secs.1.0 to 13 V
4 ± body ground3 secs. after vehicle height change for 10 secs.1.0 to 13 V
5 ± body groundAlways0 to 5 V
6 ± body groundAlways0 to 5 V
10 ± body groundHeadlamp Switch is OFF
ON10 to 14 V
Below 1 V
11 ± body groundBeam level warning light OFF
ON10 to 14 V
Below 1 V
12 ± body groundTurn the vehicle wheelPuls generation
13 ± body groundAlways10 to 14 V
14 ± body groundAlways10 to 14 V
15 ± body groundAlways5 V
20 ± body groundAlwaysBelow 1 V
21 ± body groundAlwaysBelow 1 V
22 ± body groundAlwaysBelow 1 V
23 ± body groundAlwaysBelow 1 V
4. HEADLAMP AUTO LEVERING OPERATION CHECK
(a) Check that the initialization (determination of the initial position) for t\
he leveling motor is performed at
the engine±start.
(b) Check that the warning indicator in the combination meter assy illuminates for approximately 3 se- conds at the engine±start and then goes off.
(c) Check that the reflector works when:
Keeping the rear of the vehicle up or down while the engine is running with the vehicle stopped and
the headlamp dimmer switch in the HEAD position.
NOTICE:
Make sure to change the vehicle's height slowly.
5. FAIL±SAFE FUNCTION
(a) Headlamp Leveling Control ECU
HINT:
The Headlamp Leveling Control ECU performs the fail±safe when detecti\
ng following troubles. At this the
warning indicator light on the combination meter lights up.
Trouble AreaConditionHeadlight levering motor
1. Height control sensor
Signal level error

Out of voltageStop leveling operation
2. Headlamp leveling control ECU
Watchdock detection

High voltageStop leveling operation
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65±8
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(b) Light control computer
ConditionContent
Output openLighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF
ON).
Short between output terminalsLighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF
ON).
Leakage between output terminal and body groundLighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF
ON).
Low lamp voltageLighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF
ON).
High lamp voltageLighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF
ON).
Bulb flushing

The condition is maintained more than 60 seconds.

Lighting of the headlamp stops, the condition is maintained until
switch is turned ON again (headlamp dimmer switch OFF

ON).
High input voltageLighting of the headlamp stops. As soon as the voltage comes
within the range of operation voltage (9 ± 16 V), it lights up agai\
n.
Low input voltage
When voltage become 9.0 V
7.5 V, lighting condition is main-
tained until possible voltage (Below 6 V) to keep lighting and light-
ing of the headlamp stops.
As soon as the voltage becomes within the range of operation
voltage (more than 9 V), it lights up again.
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650SR±01


78
9
654 3 2 1
10
11
121314151617I33101
I35771
±
LIGHTING LIGHTING SYSTEM
65±9
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. HEADLAMP DIMMER SWITCH ASSY
(a) Inspect light control switch continuity.
(1) Check that there is continuity between the terminalsat each switch position as shown in the chart.
Standard:
Switch operationTester connectionSpecified condition
OFF±No continuity
TAIL14 ± 16Continuity
HEAD13 ± 16 ± 14Continuity
(b) Inspect headlight dimmer switch continuity. (1) Check that there is continuity between the terminalsat each switch position as shown in the chart.
Standard:
Switch operationTester connectionSpecified condition
FLASH7 ± 8 ± 16Continuity
LOW BEAM16 ± 17Continuity
HI BEAM7 ± 16Continuity
(c) Inspect turn signal switch continuity. (1) Check that there is continuity between the terminalsat each switch position as shown in the chart.
Standard:
Switch operationTester connectionSpecified condition
Right turn2 ± 3Continuity
Neutral±No continuity
Left turn1 ± 2Continuity
(d) Inspect front fog light switch continuity. (1) Check that there is continuity between the terminalsat each switch position as shown in the chart.
Standard:
Switch operationTester connectionSpecified condition
OFF±No continuity
Front fog switch ON10 ± 11Continuity
Rear fog switch ON10 ± 12Continuity
2. HAZARD WARNING SIGNAL SWITCH ASSY
(a) Check that there is continuity between the terminals at each switch position as shown in the chart.
Standard:
Switch operationTester connectionSpecified condition
OFF1 ± 4No continuity
ON1 ± 4Continuity
Illumination circuit8 ± 9Continuity
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I30905
I30905
E64835
65±10
±
LIGHTING LIGHTING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(b) Inspect illumination operation. (1) Connect the positive (+) lead from the battery to theterminal 8 and negative (±) lead to the terminal 9,
then check that the illumination comes on.
3. FRONT DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when \
the switch is operated. Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
4. REAR DOOR COURTESY LAMP SWITCH ASSY
(a) Check that there is continuity between the terminal and the switch body when \
the switch is operated. Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
5. BACK DOOR LOCK ASSY (WAGON MODELS)
(a) Inspect back door courtesy lamp switch operation.(1) Check that there is continuity between the terminal1 and the terminal 2 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
6. BACK DOOR LOCK ASSY (LIFTBACK MODELS)
(a) Inspect back door courtesy lamp switch operation. (1) Check that there is continuity between the terminal1 and the terminal 2 when the back door is open and
closed.
Standard:
Back door is open: No continuity
Back door is closed: Continuity
7. HEADLAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
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B16200
B16200
B16200
E64835
E68131
±
LIGHTING LIGHTING SYSTEM
65±11
AVENSIS REPAIR MANUAL (RM1018E)
8. TAIL LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
9. FOG LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
10. REAR FOG LAMP RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
11. RUNNING LIGHT RELAY
(a) Inspect relay continuity.
Standard:
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
the terminal 1 and 23 ± 5Continuity
12. TRANSPONDER KEY AMPLIFIER
(a) Inspect key cylinder operation. (1) Connect the battery positive (+) lead to the terminal
2 and the battery negative (±) lead to the terminal
6, and check that the indicator light comes on.
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