Emission inspection and maintenance (I/M) programs
Do-it-yourself service precautionsRandom Access Memory (RAM) (P0604)
MONITOR DESCRIPTION
The ECM continuously monitors its internal memory status. This self-check ensures
that the ECM is functioning properly. It is diagnosed by internal "mirroring" of
the main CPU and sub CPU to detect Random Access Memory (RAM) ...
Intake Manifold Runner Control Stuck Open (Bank 1) (P2004,P2006)
DESCRIPTION
The tumble control valve is built into the intake manifold. The tumble control
valve is composed of a position sensor and a DC motor. The DC motor opens and closes
the tumble control valve in response to signals from the ECM. The position sens ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT THROTTLE BODY ASSEMBLY
Text in Illustration
*1
Component without harness connected
(Throttle Body)
(a) Check that the throttle valve opens and closes smoothly.
(b) Check that there is no ...