Toyota Tundra (2015 year). Manual — part 1283
A
10.
INSPECT AIR SWITCHING VALVE ASSEMBLY (FOR BANK 1 OR BANK 2)
(a) Inspect the air switching valve (for bank 1)
.
(b) Inspect the air switching valve (for bank 2)
.
Result
RESULT
PROCEED TO
OK
A
NG (for Bank 1)
B
NG (for Bank 2)
C
B
REPLACE AIR SWITCHING VALVE ASSEMBLY (FOR
BANK 1)
C
REPLACE AIR SWITCHING VALVE ASSEMBLY (FOR
BANK 2)
11.
INSPECT AIR INJECTION CONTROL DRIVER (POWER SOURCE OF AIR INJECTION
CONTROL DRIVER)
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443;...
OK
(a) Disconnect the air injection control driver (AID) (for bank 1 or
bank 2) connectors.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table
below.
Standard Voltage:
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED CONDITION
D48-1 (BATT) - Body
ground
Always
11 to 14 V (near battery
voltage)
D50-5 (+B) - Body
ground
Ignition switch
ON
11 to 14 V (near battery
voltage)
D52-1 (BAT2) - Body
ground
Always
11 to 14 V (near battery
voltage)
D54-5 (+B2) - Body
ground
Ignition switch
ON
11 to 14 V (near battery
voltage)
(d) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D50-1 (E) - Body ground
Always
Below 1 Ω
D54-1 (E2) - Body ground
Always
Below 1 Ω
NG
REPAIR OR REPLACE AIR INJECTION CONTROL
DRIVER POWER SOURCE CIRCUIT
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443;...
12.
CHECK HARNESS AND CONNECTOR (ECM - AIR INJECTION CONTROL DRIVER)
(a) Disconnect the ECM connectors.
(b) Disconnect the air injection control driver (AID) (for bank 1 or
bank 2) connectors.
(c) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
D74-28 (AIRV) - D50-3 (SIV)
Always
Below 1 Ω
A24-43 (ARV2) - D54-3 (SIV2)
Always
Below 1 Ω
D74-28 (AIRV) or D50-3 (SIV) -
Body ground
Always
10 kΩ or higher
A24-43 (ARV2) or D54-3 (SIV2) -
Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443;...
OK
13.
PERFORM ACTIVE TEST USING TECHSTREAM
(a) Disconnect the air injection control driver (AID) (for bank 1 or
bank 2) connector.
(d) Turn the ignition switch to ON and turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / Secondary Air Injection Check /
Manual Mode / AIR PUMP 1: ON, ASV 1: OPEN, AIR PUMP 2: ON, ASV 2: OPEN.
HINT:
When Manual Mode is selected, the Techstream initialization (atmospheric pressure measurement) is
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443;...
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст