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DTC 32: EGR Function

  1. Check Vacuum Source To EGR Valve

    Start engine and bring to operating temperature. With engine speed at about 2000 RPM, disconnect vacuum hose to EGR valve. See Fig 1 . If vacuum is not present, go to next step. If vacuum is present, inspect EGR valve. See SYSTEM/COMPONENT TESTS article. Replace EGR valve if necessary and perform FINAL CHECK  .

  2. Check Control Function

    If vacuum is not present, with engine running, measure voltage between ECM terminal No. 102 (Red/Black wire) and ground. At idle, voltage should be zero volts. At 2000 RPM, voltage should be battery voltage. See Fig 2 . If voltage measured is not as specified, go to next step. If voltage is as specified, inspect vacuum hose for clogging, cracks or proper connection. Repair vacuum hose as necessary.

  3. Check Output Signal Circuit

    Turn engine off and disconnect ECM harness connector. Disconnect EGR control solenoid valve harness connector. Verify harness continuity between ECM terminal No. 102 (Red/Black wire) and ground, and between EGR control solenoid valve harness connector terminal "A" (Red/Black wire) and ground. See Fig 3 and Fig 4 . If continuity does not exist, go to next step. If there is continuity, repair harness or connectors between ECM and EGR control solenoid valve as necessary.

  4. Check Component

    Inspect EGR control solenoid valve. See the article SYSTEM/COMPONENT TESTS . Replace EGR control solenoid valve if necessary and perform FINAL CHECK  .

  5. Check Component Using CONSULT

    Turn ignition off and connect CONSULT. Connect ECM harness connector and EGR control solenoid valve harness connector. Turn ignition on. Using CONSULT, perform EGRC SOL/V CIRCUIT in FUNCTION TEST mode. Replace EGR control solenoid valve if necessary. Another method is to turn EGR and canister control solenoid valve ON and OFF using CONSULT in ACTIVE TEST mode. Replace EGR control solenoid valve if operating sounds are not heard. Perform FINAL CHECK  .
Fig 1: DTC 32, Checking Vacuum Source To EGR Valve (J30)
G93B78528Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: DTC 32, Checking Control Function (J30)
G93C78529Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Locating EGR Control Solenoid Valve Harness Connector (J30)
G93F78530Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: DTC 32, Checking Output Signal Circuit (J30)
G93G78531Courtesy of NISSAN MOTOR CO., U.S.A.
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