Standard Voltage

A124109E01

Tester Connections

Specified Conditions

+B (H3-1) - Body ground

S to 14 V

(d) Turn the ignition switch to OFF.

(e) Disconnect the E4 ECM connector.

(f) Check the resistance.

Standard Resistance (Check for open)

Tester Connections

Specified Conditions

HT1B (H3-1) - HT1B (E4-2)

Below 1 Q

OX1B (H3-3) - OX1B (E4-25)

Below 1 Q

E2 (H3-4) - E2 (E4-28)

Below 1 Q

Standard Resistance (Check for short)

Tester Connections

Specified Conditions

HT1B (H3-1) or HT1B (E4-2) - Body ground

10 kQ or higher

OX1B (H3-3) or OX1B (E4-25) - Body ground

10 kQ or higher

E2 (H3-4) or E2 (E4-28) - Body ground

10 kQ or higher

(g) Reconnect the HO2 sensor connector.

(h) Reconnect the ECM connectors.

Reference (System Diagram of Bank 1 Sensor 2 )

Heated Oxygen Sensor

From Battery

From Battery

Heater

HT1B

Ground

OX1B

HT1B

OX1B

JITLTL

Duty Control

MREL

REPLACE HEATED OXYGEN SENSOR

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