CAUTION / NOTICE / HINT
HINT:
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the trouble (See page
).
|
|
3. |
SYMPTOM SIMULATION |
|
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
|
Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 6 |
|
|
5. |
PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM* |
(a) System Description (See page
)
(b) Terminals of ECU (See page
)
(c) Data List / Active Test (See page
)
|
|
6. |
ADJUST, REPAIR OR REPLACE |
|
|
7. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
Customize ParametersData List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuator and other items to be read without removing any parts. This non-intrusive
inspection can be very useful beca ...
VC Output Circuit
DESCRIPTION
The ECM constantly generates 5 V of power from battery voltage supplied to the
+B (BATT) terminal to operate the microprocessor. The ECM also provides this power
to the sensors through the VC output circuit.
When the VC circuit is short-cir ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (When Using Techstream)
(a) Check the DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Read the DTCs following the prompts on the Techstream screen. Enter the ...