Description
Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.
Component function check
1.Check rear window defogger feedback signal
Check that the indicator lamp of rear window defogger switch is illuminated when turning the rear window defogger switch on.
Is the inspection result normal? Ok >> rear window defogger feedback signal is ok.
Ng >> refer to def-39, "diagnosis procedure".
Diagnosis procedure
1.Check rear window defogger feedback signal

Is the inspection result normal? Yes >> replace a/c auto amp. Refer to hac-105, "removal and installation" (with auto a/c) or hac- 189, "removal and installation" (without auto a/c).
No >> repair or replace harness.
Passenger side door mirror defoggerP0127 IATSensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0127
IAT SENSOR-B1
(Intake air temperature too high)
Rationally incorrect voltage from the sensor is
sent to ECM, compared with the ...
Evaporative emission system
EVAPORATIVE EMISSION SYSTEM : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*
EVAP canister
purge flow control
EVAP canister purge volume
control ...
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...