|
|
|
Content .. 1506 1507 1508 1509 ..
OK TESTER CONNECTION CONDITION SPECIFIED CONDITION 1C-1 - 1A-4 When no battery voltage applied to terminals 1A-2 and 1A-3 10 kΩ or higher When battery voltage applied to terminals 1A-2 and 1A-3 Below 1 Ω NG REPLACE INTEGRATION RELAY (A/F) 4. CHECK HARNESS AND CONNECTOR (INTEGRATION RELAY - A/F SENSOR AND (a) Disconnect the D33 or D34 A/F sensor connector. (b) Remove the integration relay from the engine room relay block
. (c) Measure the resistance according to the value(s) in the table below. Standard resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D33-2 (+B) - 1A-4 Always Below 1 Ω D34-2 (+B) - 1A-4 Always Below 1 Ω 1A-2 - 1B-5 Always Below 1 Ω 1A-3 - Body ground Always Below 1 Ω D33-2 (+B) or 1A-4 - Body ground Always 10 kΩ or higher D34-2 (+B) or 1A-4 - Body ground Always 10 kΩ or higher 1A-2 or 1B-5 - Body ground Always 10 kΩ or higher NG REPAIR OR REPLACE HARNESS OR CONNECTOR OK CHECK ECM POWER SOURCE CIRCUIT 5. CHECK HARNESS AND CONNECTOR (A/F SENSOR - ECM) (a) Disconnect the D33 or D34 A/F sensor connector. (b) Disconnect the D74 ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard resistance: TESTER CONNECTION CONDITION SPECIFIED CONDITION D33-1 (HA1A) - D74-22 (HA1A) Always Below 1 Ω 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0031,P003... |