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
System DescriptionCatalyst System Efficiency Below Threshold (Bank 1) (P0420)
MONITOR DESCRIPTION
The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter
(TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to
the ECM. The second sensor, the heat ...
Communication Malfunction between ECUs Connected by LIN (B2785)
DESCRIPTION
This DTC is stored when LIN communication from the certification ECU stops for
a certain amount of time.
DTC No.
DTC Detection Condition
Trouble Area
B2785
Errors in LIN co ...
Compressor Solenoid Circuit (B1451/51)
DESCRIPTION
In this circuit, the A/C compressor receives a refrigerant compression demand
signal from the A/C amplifier.
Based on this signal, the A/C compressor changes the amount of compressor output.
DTC No.
DTC Detection Conditio ...