Acura 3.5 RL Manual page 1218

Switch Test
1. Remove the rear window defogger switch.
With navigation system:
BULBS
(0.84 W x 2)
REAR
WINDOW
DEFOGGER
SWITCH
Without navigation system:
6P CONNECTOR
2. Disconnect the 6P connector from the switch.
3. Check for continuity between the terminals in each
switch position according to the table.
6P CONNECTOR
REAR
WINDOW
DEFOGGER
SWITCH
BULBS
(0.84 W x 2)
Rear Window Defogger Coil Test
1. Open the trunk lid.
2. Remove the right side panel.
3. Disconnect the 1P and 2P connectors from the rear
window defogger coil.
COMPONENT GROUND
4. Remove the rear window defogger coil.
5. Check for continuity between the A1 and B2
terminals. There should be continuity.
6. Check for continuity between the B2 terminal and
component ground. There should be continuity.
7. If there is no continuity, replace the coil.
Terminal side of
male terminals
REAR WINDOW
DEFOGGER
COIL
Terminal side of
male terminals