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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Engine Control System Self Diagnostics (2UZ-FE)) >> Diagnostic Tests >> DTC P0100, DTC P0102 &/Or DTC P0103 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

After confirming DTCs P0100, P0102, and/or P0103, use Toyota hand-held tester or scan tool to access DATA LIST to confirm MAF meter air flow rate. If MAF meter air flow rate is 0.0 gm/sec., VG circuit may be open or shorted, or power source circuit may be open. See Figure. If MAF meter air flow rate is 11.0-25.1 gm/sec. with engine idling and at normal operating temperature, E2G circuit may be open. Using hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.

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