CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
|
3. |
PROBLEM SYMPTOM CONFIRMATION |
|
|
4. |
PROBLEM SIMULATION |
|
|
5. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
|
|
6. |
CIRCUIT INSPECTION |
|
|
7. |
REPAIR OR REPLACE |
|
|
8. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
System DescriptionInspection
INSPECTION
PROCEDURE
1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
(a) Inspect the diaphragm.
(1) Using a vacuum pump, apply a vacuum of 60 kPa (450 mmHg, 17.7 in.Hg)
or higher to the diaphragm chamber. Wait for 1 minute and check that the ...
Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter and an engine speed signal from the ECM. The tire pressure warning ECU uses
these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...
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
...