Nissan Altima 2007-2012 Service Manual: Overheating cause analysis
Troubleshooting Chart
Cooling system
Cooling Circuit
1. Cylinder block (RH)
2. Oil cooler
3. Cylinder head (RH)
4. Water pump
5. Radiator
6. Water inlet
7. Thermostat
8. Cylinder head (LH)
9. Cylinder block (LH)
Schematic
...
On-vehicle maintenance
ENGINE COOLANT
System Inspection
WARNING:
• Never remove the radiator cap when the engine is hot. Serious burns could
occur from high pressure
coolant escaping from the radiator.
• Wrap a ...
Other materials:
B210D starter relay
Description
Located in IPDM E/R, it runs the starter motor. The starter relay is turned
ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to
BCM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B210D is displaye ...
B261A push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN
communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals
for mismatch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, ...
P0137 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 ...