Ok

4

CHECK HARNESS AND CONNECTOR (HO2 SENSOR - EFI RELAY)

Wire Harness Side:

Wire Harness Side:

HO2 Sensor Connector

HO2 Sensor Connector

Integration Relay

-

□ □

i—i i—i

i—i i—i

i—i i—i

i—i

Engine Room No. 1 Relay Block

(b) Disconnect the B19 HO2 sensor connector.

(c) Remove the integration relay from the engine room No. 1 relay block.

(d) Check the resistance.

Standard resistance (Check for open)

Tester Connections

Specified Conditions

B19-2 (+B) - 1A-4 (Engine room No. 1 R/B)

Below 1 Q

Standard resistance (Check for short)

Standard resistance (Check for short)

Tester Connections

Specified Conditions

B19-2 (+B) or 1A-4 (Engine room No. 1 R/B) - Body ground

10 kQ or higher

(e) Reconnect the HO2 sensor connector.

(f) Reinstall the integration relay.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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