Toyota 2GR-FE Manual page 586

ES–430
19
INSPECT CANISTER PUMP MODULE (POWER SOURCE FOR VENT VALVE)
ES
Wire Harness Side:
Canister Pump Module Connector
1 2 3 4 5
N17
6 7 8 9 10
Result
9 to 14 V
Below 3 V
A
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
N17
VLVB
A136176E02
Test Results
(a) Turn the ignition switch off.
(b) Disconnect the N17 canister pump module connector.
(c) Turn the ignition switch on (IG).
(d) Measure the voltage between the VLVB terminal of the
canister pump module connector and body ground.
Suspected Trouble Areas
1. Wire harness between vent valve and ECM
2. Vent valve
3. ECM
Power source wire harness of vent valve
(e) Reconnect the canister pump module connector.
B Go to step 31
Proceed to
A
B