Acura 2002 RSX Service Manual page 1270

Rear Window Defogger
Function Test
NOTE:
. Be careful not to scratch or damage the defogger
wires with the tester probe.
. Before testing, check the No. 1 1 (40A) fuse in the
under-hood fuse/relay box and the No. 14 (10A) fuse
in lhe under-dash fuse/relay box.
1. Checkforvoltage between the positive terminal (A)
and body ground with the ignition switch and
defogger switch ON.
There should be battery voltage.
. lf there is no voltage, check for:
- faulty defogger relay.
- faulty window antenna coi..
- an open in the BLVRED, BLVYEL, or YEUBTK
w i r e .
- faulty climate control unit.
. lf there is battery voltage, go to step 2.
2. Checkforvoltage between the positive terminal (A)
and the negative terminal {B).
lf there is no voltage, check for:
. a n o p e n i n t h e B L V B L U w i r e .
. faulty window antenna coil.
. Poor body ground at the window antenna coil
mounting bolt.
3. Touch the voltmeter positive probe to the halfway
point of each defogger wire, and the negative
probe to the negative terminal.
There should be about 6 V with the ignition switch
and the defogger switch ON.
. lf the voltage is as specified, the defoggerwire is
oK.
. lf the voltage is not as specified, repairthe
defogger wire.
- lf it is more than 6 V. there is a break in the
negative half of the wire.
- lf it is less than 6 V, there is a break in the
positive half of the wire.
22-118
Defogger Wire Repair
NOTE: To make an effective reoair, the broken section
m u s t b e n o l o n g e r t h a n 1 i n c h .
1. Lightly rub the area around the broken section (A)
with fine steel wool, then clean it with alcohol.
Careiully mask above and below the broken portion
of the defogger wire (B) with transparent tape (C).
Mix the silver conductive paint thoroughly. Using a
small brush, apply a heavy coat of the paint
extending about 1/8"on both sides of the break.
Allow 30 minutes to drv.
Check ior continuity in the repaired wrre.
Apply a second coat of paint in the same way. Let it
dry 3 hours before removing the tape.
I
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5 .