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Standard:
Tester connection
2 – body ground
3 – body ground
4 – body ground
5 – body ground
6 – body ground
10 – body ground
11 – body ground
12 – body ground
13 – body ground
14 – body ground
15 – body ground
20 – body ground
21 – body ground
22 – body ground
23 – body ground
4.
HEADLAMP AUTO LEVERING OPERATION CHECK
(a)
Check that the initialization (determination of the initial position) for the 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 detecting following troubles. At this the
warning indicator light on the combination meter lights up.
Trouble Area
1. Height control sensor
2. Headlamp leveling control ECU
AVENSIS REPAIR MANUAL (RM1018E)
LIGHTING
–
LIGHTING SYSTEM
(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.
Condition
Always
3 secs. after vehicle height change for 10 secs.
3 secs. after vehicle height change for 10 secs.
Always
Always
Headlamp Switch is OFF " ON
Beam level warning light OFF " ON
Turn the vehicle wheel
Always
Always
Always
Always
Always
Always
Always
Condition
Y Signal level error
Y Out of voltage
Y Watchdock detection
Y High voltage
http://vnx.su
Specified condition
5 V
1.0 to 13 V
1.0 to 13 V
0 to 5 V
0 to 5 V
10 to 14 V " Below 1 V
10 to 14 V " Below 1 V
Puls generation
10 to 14 V
10 to 14 V
5 V
Below 1 V
Below 1 V
Below 1 V
Below 1 V
Headlight levering motor
Stop leveling operation
Stop leveling operation
65–7
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