Toyota 2GR-FE, Руководство пользователя

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2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–193
ES
NEXT
(a) On the intelligent tester, enter the following menus:
DIAGNOSIS / ENHANCED OBD II / DTC INFO /
CURRENT CODES.
(b) Read the DTCs.
Result
B
A
(a) Connect the intelligent tester to the DLC3.
(b) Start the engine and turn the tester on.
(c) Warm up the engine.
(d) Enter the following menus: DIAGNOSIS / ENHANCED
OBD II /ACTIVE TEST / INJ VOL.
(e) Change the fuel injection volume using the tester, while
monitoring the output voltage of Air-Fuel Ratio (A/F) and
HO2 sensor displayed on the tester.
HINT:
•
Change the fuel injection volume within the range of -12 %
and +12 %. The injection volume can be changed in 1 %
graduations within the range.
• The A/F sensor is displayed as AFS B1S1 or AFS B2S1,
and the HO2 sensor is displayed as O2S B1S2 or O2S
B2S2, on the intelligent tester.
Result
HINT:
A normal HO2 sensor voltage (O2S B1S2 or O2S B2S2)
reacts in accordance with increases and decreases in fuel
injection volumes. When the A/F sensor voltage remains
either less or more than 3.3 V despite the HO2 sensor
indicating a normal reaction, the A/F sensor is malfunctioning.
11
PERFORM CONFIRMATION DRIVING PATTERN
12
CHECK WHETHER DTC OUTPUT RECURS (DTC P0136 or P0156)
Display (DTC Output) Proceed to
P0136 or P0156 A
No output B
END
13
PERFORM ACTIVE TEST BY INTELLIGENT TESTER (INJECTION VOLUME)
Tester Display (Sensor) Voltage Variation Proceed to
AFS B1S1 (A/F)
AFS B2S1 (A/F)
Alternates between more and less than 3.3 V OK
AFS B1S1 (A/F)
AFS B2S1 (A/F)
Remains more than 3.3 V NG
AFS B1S1 (A/F)
AFS B2S1 (A/F)
Remains less than 3.3 V NG