Toyota Celica 2005 Repair Manual page 2195

BE−20
Wire Harness Side:
1 2
Tester connection
3 − Ground
1 − Ground
1 − Ground
4 − Ground
4 − Ground
4
3
Tester connection
3 − Ground
1 − Ground
1 − Ground
Vehicle is under the direct sun light.
(Sensor is not covered)
2005 CELICA (RM1131U)
BODY ELECTRICAL
3 4
I01254
Constant
Ignition switch LOCK or ACC
Ignition switch ON
Ignition switch LOCK or ACC
Ignition switch ON
1
2
I01255
Constant
Ignition switch LOCK or ACC
Ignition switch ON
− HEADLIGHT AND TAILLIGHT SYSTEM
11. w/ Automatic light control system:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR
CIRCUIT
(a) Disconnect the connector from the automatic light control
sensor and inspect the connector on the wire harness
side.
Condition
If circuit is as specified, perform the inspection on the following
page.
If the circuit is not as specified, inspect the circuit connected to
other parts.
(b) Connect the wire harness side connector to the sensor
and inspect wire harness side connector from the back
side.
HINT:
Ignition switch ON.
S
Light control switch OFF.
S
Vehicle's surroundings are bright.
S
Condition
If circuit is as specified, replace the sensor with a new one.
If the circuit is not as specified, inspect the circuit connected to
other parts.
2194
Specified condition
Continuity
No voltage
Battery positive voltage
No voltage
5.2 − 9.0 V
Specified condition
Continuity
No voltage
9.5 V or more
Taillight and Headlight are ON.