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Home >> Kia >> 2007 >> Rondo Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) - 2.4L >> DTC P2191 System Too Lean At Higher Load (Multiple) (Bank 1) >> Signal Waveform And Data

Signal Waveform And Data

  1. Scan Tool Display for HO2S
    SIGNAL WAVEFORM REFERENCE

    Test Condition Scan Tool Parameter
    O2 SNSR VOL.-B1/S1 O2 SNSR VOL.-B1/S2
    Normal Value when circuit is normal Idle after warm up Signal is switching from rich (above 0.45V) to lean (below 0.45V) a minimum of 3 times in 10 seconds. above 0.6V
    HO2S (B1S1) signal circuit open Approx. 0.43~0.45V -
    HO2S (B1S2) signal circuit open - Approx. 0.43~0.45V
  2. Scan Tool Display for MAF
    SIGNAL WAVEFORM REFERENCE

    Test Condition Scan Tool Parameter
    MASS AIR FLOW (V) MASS AIR FLOW (KG/H)
    Normal value with ignition "ON" & Engine "OFF" 0.1 Approx. 6.1
    Normal value with idle after warm up 2,000rpm (No load) Approx. 1.0~1.3 Approx. 10~13
    Approx. 1.6~1.8 Approx. 26~30
  3. Scan Tool Display for TPS1 & TPS2
    SIGNAL WAVEFORM REFERENCE

    Test Condition Scan Tool Parameter
    TPS VOLTAGE 1 TPS VOLTAGE2
    Normal value with ignition "ON" & engine "OFF" Accelerator pedal released 0.3~0.7V 4.3~4.7V
    Normal value with engine ON & accelerator pedal fully depressed 4.45~4.85V 0.15~0.55V
    Abnormal value with ignition "ON" & engine "OFF" Power circuit (#2) open 0.01V 0.00V
    Ground circuit (#1) open 4.99V 4.99V
    TPS1 signal circuit (#4) open 4.99V -
    TPS1 signal circuit (#4) short to ground Approx. 0V -
    TPS1 signal circuit (#4) short to battery Above 4.99V -
    TPS2 signal circuit (#5) open - 0.00V
    TPS2 signal circuit (#5) short to ground - Approx. 0V
    TPS2 signal circuit (#5) short to battery - Above 4.99V