Toyota 2GR-FE Manual page 305

6
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER- ECM)
Wire Harness Side:
MAF Meter Connector
C2
THA
ECM Connector
C55
THA
OK
REPLACE ECM (See page ES-518)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Disconnect the C2 MAF meter connector.
(b) Disconnect the C55 ECM connector.
(c) Measure the resistance between the terminals.
Standard resistance
Tester Connection
THA (C55-71) or THA (C2-1) - Body ground
(d) Reconnect the MAF meter connector.
(e) Reconnect the ECM connector.
NG
A127959E15
REPAIR OR REPLACE HARNESS OR
CONNECTOR
ES–149
Specified Condition
10 kΩ or higher
ES