Inspect Ecm Sensor Ground

A115970E04

(a) Check the resistance. Standard Resistance

Tester Connections

Specified Conditions

E2G (E4-29) - Body ground

Below 1 Q

REPLACE ECM

7

CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)

Wire Harness Side:

Wire Harness Side:

E2G Front View

E2G Front View

(a) Disconnect the M1 MAF meter connector.

(b) Disconnect the E4 ECM connector.

(c) Check the resistance.

Standard Resistance (Check for open)

Tester Connections

Specified Conditions

VG (M1-3) - VG (E4-30)

Below 1 Q

E2G (M1-2) - E2G (E4-29)

Tester Connections

Specified Conditions

Standard Resistance (Check for short)

Tester Connections

Specified Conditions

10 kQ or higher

(d) Reconnect the MAF meter connector.

(e) Reconnect the ECM connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE MASS AIR FLOW METER

Mass or Volume Air Flow Circuit Range / Performance Problem

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