Mazda RX-8 Workshop Manual page 3172

as damaged/pulled-out pins, and corrosion).
Is there any malfunction?
INSPECT RAIN SENSOR CIRCUIT FOR OPEN CIRCUIT
3
Inspect for continuity between auto
light/wiper control module terminal 2E (wiring
harness-side) and rain sensor terminal C
(wiring harness-side).
Is there continuity?
INSPECT RAIN SENSOR SIGNAL CIRCUIT FOR SHORT
4 TO GND
Inspect for continuity between auto
light/wiper control module terminal 2E (wiring
harness-side) and body GND.
Is there continuity?
INSPECT RAIN SENSOR SIGNAL CIRCUIT FOR SHORT
5
TO POWER SUPPLY
Connect the negative battery cable.
Turn the ignition switch to the ON position
(Engine off).
Measure the voltage at auto light/wiper
control module terminal 2E (wiring harness-
side).
Can the voltage be measured?
VERIFY DTC
6
Turn the ignition switch off.
Disconnect the negative battery cable.
Reconnect the disconnected connectors.
Connect the negative battery cable.
Clear DTCs using the M-MDS.
(See CLEARING DTC [AUTO LIGHT/WIPER
CONTROL
Perform the auto light/wiper control module
DTC inspection using the M-MDS.
(See DTC INSPECTION [AUTO LIGHT/WIPER
CONTROL
Is DTC U2030 displayed?
MODULE].)
MODULE].)
YesGo to the next step.
No Repair or replace the wiring harness
for a possible open circuit, then go
to Step 6.
YesRepair or replace the wiring harness
for a possible short to GND, then
go to Step 6.
No Go to the next step.
YesRepair or replace the wiring harness
for a possible short to power
supply, then go to the next step.
No Replace the Rain sensor, then go to
the next step.
(See RAIN SENSOR
REMOVAL/INSTALLATION.)
YesReplace the auto light/wiper control
module, then go to the next step.
(See AUTO LIGHT/WIPER CONTROL
MODULE
REMOVAL/INSTALLATION.)
No Go to the next step.