Diagnosis Procedure
1.CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair battery terminal connection. Confirm repair by performing complete Charging system test using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for proper testing procedures.
2.CHECK FUSE
Check for blown fuse and fusible link.

Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the blown fuse or fusible link after repairing the affected circuit.
3.CHECK GENERATOR GROUND TERMINAL CONNECTION
Check if connector F4 terminal 5 is clean.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair connection.
4.CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to EM "Inspection".
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair as needed.

Diagnosis Procedure Regarding Wiring Diagram information. Refer to CHG "Wiring Diagram". CAUTION: When performing this inspection, always use a charged battery that has completed the ...
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or ...
P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...