Nissan Altima 2007-2012 Service Manual: Shift lock system
Description
The selector lever cannot be shifted from “P” position to any other position unless the ignition switch is in the ON position and the brake pedal is depressed.
Wiring Diagram - CVT SHIFT LOCK SYSTEM - Coupe
Wiring Diagram - CVT SHIFT LOCK SYSTEM - Sedan
Diagnosis Procedure
1. CHECK POWER SOURCE
1. Disconnect CVT device connector.
2. Turn ignition switch ON.
3. Check voltage between CVT device connector M23 terminal 6 and ground.
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 2.
2. CHECK POWER SOURCE AT STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Turn ignition switch ON.
4. Check voltage between stop lamp switch connector E38 terminal 3 and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the following: • Harness for short or open between fuse block (J/B) and stop lamp switch • 10A fuse [No. 3, located in fuse block (J/B)]
3. CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Check continuity between stop lamp switch terminals 3 and 4.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace stop lamp switch. Refer to BR-17, "Exploded View".
4. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND CVT DEVICE FOR OPEN
Check continuity between stop lamp switch connector E38 (A) terminal 4 and CVT device connector M23 (B) terminal 6.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair harness or connectors.
5. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between CVT device connector M23 terminal 7 and ground.
Is the inspection result normal? YES >> Replace CVT device. Refer to TM-255, "Removal and Installation".
NO >> Repair harness or connectors.
Shift position indicator circuit
Description • TCM sends position indicator signals to combination meter by CAN communication line. • Manual mode switch position is indicated on shift position indicator. Component Functio ...Ecu diagnosis
TCM Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES *1: This circuit is not used. *2: A circuit tester cannot be used to test this item. Wiring Diag ...Other materials:
P0101 Maf sensor
Description
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake flow rate by measuring a part of the entire
intake flow. The mass air flow sensor controls the temperature of the
hot wire to a certain amount. The heat generated by the hot wire is
reduced as ...
Precautions when starting and driving
WARNING
● Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others through inadvertent operation of
the vehicle. Also, on hot, sunny days,
temperatu ...
CVT position
Inspection and Adjustment
INSPECTION
1. Place selector lever in “P” position, and turn ignition switch ON (engine
stop).
2. Make sure that selector lever can be shifted to other than “P” position when
brake pedal is depressed.
Also make sure that selector lever can be shifted fro ...