Toyota 2GR-FE Manual page 296

ES–140
9
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)
Wire Harness Side:
MAF Meter Connector
C2
E2G
ES
ECM Connector
C55
VG
OK
REPLACE ECM (See page ES-518)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
VG
E2G
A127959E13
(a) Disconnect the C2 MAF meter connector.
(b) Disconnect the C55 ECM connector.
(c) Measure the resistance between the terminals.
Standard resistance (Check for open)
Tester Connection
VG (C55-72) - VG (C2-5)
E2G (C55-73) - E2G (C2-4)
Standard resistance (Check for short)
Tester Connection
VG (C55-72) or VG (C2-5) - Body ground
E2G (C55-73) or E2G (C2-4) - Body ground
(d) Reconnect the MAF meter connector.
(e) Reconnect the ECM connector.
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
Specified Condition
Below 1 Ω
Below 1 Ω
Specified Condition
10 kΩ or higher
10 kΩ or higher