Nissan Altima 2007-2012 Service Manual: Rear window defogger and door mirror defogger do not operate
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to DEF-13, "Component Function Check".
Is the inspection result normal? YES >> GO TO 2
NO >> Repair or replace the malfunctioning parts.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to DEF-11, "Component Function Check".
Is the inspection result normal? YES >> Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
Rear window defogger does not
operate but both of door mirror
defogger operate
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit.
Refer to DEF-13, "Component Function Check" ...
Other materials:
P0603 ECM Power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATI ...
Power consumption control system
System Diagram
System Description
OUTLINE
• BCM incorporates a power saving control function that reduces the power
consumption according to the
vehicle status.
• BCM switches the status (control mode) by itself with the power saving control
function. It performs the sleep
request ...
P0137, P0157 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
from t ...