Nissan Altima 2007-2012 Service Manual: Low tire pressure warning lamp does not turn on
Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Turned On
DIAGNOSTIC PROCEDURE
1.SELF-DIAGNOSTIC RESULT CHECK
Using CONSULT-III, check display contents of BCM in SELF-DIAGNOSIS.
Is "CAN COMM CIRCUIT" displayed in the self-diagnosis display items? YES >> Malfunction in CAN communication system. Refer to LAN-25, "CAN System Specification Chart".
NO >> GO TO 2
2.CHECK COMBINATION METER
Check combination meter operation. Refer to MWI-38, "CONSULT-III Function (METER/M&A)".
Is the inspection result normal? YES >> GO TO 3 NO >> Replace combination meter. Refer to IP-12, "Removal and Installation".
3.CHECK LOW TIRE PRESSURE WARNING LAMP
Disconnect BCM harness connector.
Does the low tire pressure warning lamp activate? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> Check combination meter operation.
TPMS
Symptom Table
...
Low tire pressure warning lamp
stays on
Low Tire Pressure Warning Lamp Stays On When
Ignition Switch Is Turned On
DIAGNOSTIC PROCEDURE
1.CHECK BCM CONNECTORS
1. Turn ignition switch OFF.
2. Disconnect BCM harness connectors.
3. Ch ...
Other materials:
Electric ignition system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
Firing order: 1 - 3 - 4 - 2
The ignition tim ...
P0442 evap control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0442 is displayed with DTC P0456, first perform the trouble diagnosis
for DTC P0456. Refer to
EC-841, "DTC Logic".
This diagnosis detects leaks in the EVAP purge line using engine intake manifold
vacuum.
If pressure does not increa ...
ECU diagnosis
POWER STEERING CONTROL UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
CAUTION:
When using circuit tester or oscilloscope to measure voltage for inspection, be
sure not to extend forcibly any connector terminals.
Wiring Diagram — ELECTRONICALLY CONTROLLED
POWER STEERING SYSTEM ...