Toyota Camry Manual page 399

BE–80
BODY ELECTRICAL SYSTEM
DEFOGGER RELAY INSPECTION
INSPECT DEFOGGER RELAY
Continuity
Inspect the relay continuity between terminals.
Condition
Constant
Apply B + between
terminals 1 and 2.
If continuity is not as specified, replace the relay.
DEFOGGER WIRE INSPECTION
NOTICE:
(a) Turn the ignition switch ON.
(b) Turn the defogger switch ON.
(c) Inspect the voltage at the center of each heat wire, as
shown.
Approx. 1 OV or OV
HINT: If there is approximately 10 V, the wire is
broken between the center of the wire and the posi–
tive (+) end. If there is no voltage, the wire is broken
between the center of the wire and ground.
– DEFOGGER SYSTEM
Tester connection to
terminal number
1–2
3–5
When cleaning the glass, use a soft, dry cloth, and
wipe the glass in the direction of the wire. Take care
not to damage the wires.
Do not use detergents or glass cleaners with abra–
sive ingredients.
When measuring voltage, wind a piece of tin foil
around the top of the negative probe and press the
foil against the wire with your finger, as shown.
Voltage
Approx. 5V
Specified value
Continuity
Continuity
Criteria
Okay (No break in wire)
Broken wire