Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 71
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–239
ES
(c) Turn the tester ON.
(d) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DTC INFO / CURRENT CODES.
(e) Read DTCs.
(f)
Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / EVAP / VAPOR
PRESS.
(g) Read the EVAP (Evaporative Emission) pressure
displayed on the tester.
Result
B
C
A
(a) Turn the ignition switch OFF.
(b) Disconnect the E47 ECM connector.
(c) Check the resistance between PPMP terminal of the
ECM connector and the body ground.
Result
(d) Reconnect the ECM connector.
B
A
Display (DTC
Output)
Test Results
Suspected Trouble Areas
Proceed To
P0451
-
Canister pressure sensor
C
P0452
Less than 45 kPa-a (430 mmHg-a)
•
Wire harness/connector (ECM - Canister
pressure sensor)
•
Canister pressure sensor
•
Short in ECM circuit
A
P0453
More than 120 kPa-a (900 mmHg-a)
•
Wire harness/connector (ECM - Canister
pressure sensor)
•
Canister pressure sensor
•
Open in ECM circuit
B
Go to step 4
GO TO EVAP SYSTEM (See page
)
2
CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
ECM Connector
PPMP
E47
G035619E10
Test Results
Suspected Trouble Areas
Proceed To
10
Ω or less
•
Wire harness/connector (ECM - Canister pressure
sensor)
•
Short in canister pressure sensor circuit
A
10 k
Ω or more
•
Wire harness/connector (ECM - Canister pressure
sensor)
•
Short in ECM circuit
B
Go to step 7
ES–240
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Disconnect the L10 canister pump module connector.
(b) Disconnect the E47 ECM connector.
(c) Check the resistance between PPMP terminal of the
ECM connector and the body ground.
Result
(d) Reconnect the canister pump module connector.
(e) Reconnect the ECM connector.
A
B
3
CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
PPMP
ECM Connector
L10
E47
A133461E01
Test Results
Suspected Trouble Areas
Proceed To
10 k
Ω or more
Short in canister pressure sensor circuit
A
10
Ω or less
Short in wire harness/connector (ECM - Canister
pressure sensor)
B
Go to step 5
Go to step 6
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–241
ES
(a) Disconnect the L10 canister pump module connector.
(b) Turn the ignition switch ON.
(c) Measure the voltage and resistance of the canister pump
module connector.
Standard
Result
(d) Reconnect the canister pump module connector.
A
B
(a) Replace the canister assembly (See page
).
NOTICE:
When replacing the canister, check the canister
pump module interior and related pipes for water,
fuel and other liquids. If liquids are present, check
for disconnections and/or cracks in the following: 1)
the pipe from the air inlet port to the canister pump
module; 2) the canister filter; and 3) the fuel tank
vent hose.
4
CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
1 2 3 4 5
6 7 8 9 10
Canister Pump Module Connector
Front View
Wire Harness Side:
VOUT
VCC
SGND
L10
L10
A133462E01
Tester Connections
Specified Conditions
VCC (L10-4) - Body ground
4.5 to 5.5 V
VOUT (L10-3) - Body ground
4.5 to 5.5 V
SGND (L10-2) - Body ground
100
Ω or less
Test Results
Suspected Trouble Areas
Proceed To
Voltage and resistance within standard ranges
Open in canister pressure sensor circuit
A
Voltage and resistance outside standard ranges
Open in wire harness/connector (ECM - Canister
pressure sensor)
B
Go to step 5
Go to step 6
5
REPLACE CHARCOAL CANISTER ASSEMBLY
ES–242
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
NEXT
HINT:
If the exhaust tail pipe has been removed, go to the next step
before reinstalling it.
NEXT
).
NEXT
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Wait for at least 60 seconds.
(d) On the tester, select the following menu items:
DIAGNOSIS / ENHANCED OBD II / DTC INFO /
PENDING CODES.
Inspection Area*
Fuel Tank Vent Hose
Fuel Tank
*: Check for disconnection and/or cracks
Air Inlet Port
Inspection Area*
Canister Filter
Canister
Vent Hose
A112652E01
Go to step 8
6
REPAIR OR REPLACE HARNESS OR CONNECTOR
Go to step 8
7
REPLACE ECM
Go to step 8
8
CHECK WHETHER DTC OUTPUT RECURS (AFTER REPAIR)
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