DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
Problem Symptoms Table
Terminals Of EcuNoise Occurs from Generator while Engine is Running
PROCEDURE
1.
CHECK LOOSENESS OF V-RIBBED BELT
(a) Check the tension of the belt by pushing it down with a finger.
OK:
The tension of the belt is enough.
NG
REPLACE V-RIBBED BELT TENSIONER ASSEMBLY
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Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION
The electronic throttle control system has a dedicated power supply circuit.
The voltage (+BM) is monitored and when it is low (below 4 V), the ECM determines
that there is a malfunction in the electronic throttle control system and cuts off
...
Power Source Circuit
DESCRIPTION
This circuit supplies power source voltage from the battery to terminal B of
the steering lock ECU (steering lock actuator assembly). This is used as power source
for the CPU, motor, communication, and peripheral circuits.
WIRING DIAGRAM
P ...