Inspection Procedure

HINT:

Read freeze frame data using the hand - held tester. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, freeze frame data can help determine if the vehicle was running or stopped, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

1. CHECK OTHER DTC OUTPUT 
   Fig 1: Display DTC Output Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. B: GO TO RELEVANT DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   2. A: Go to next step. 
2. REPLACE ACCELERATOR PEDAL ROD ASSY (See  REPLACEMENT  ) 

   NEXT 

3. CHECK DTC (ACCELERATOR PEDAL POSITION SENSOR DTCS ARE OUTPUT AGAIN) 
   1. Clear the DTC (see DTC CHECK/CLEAR  ).
   2. Allow the engine to idle for a minute.
   3. Race the engine several time.
   4. Read DTC.

      Result: 

      Fig 2: Display DTC Output Chart

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. B: CHECK FOR INTERMITTENT PROBLEM (see  CHECK FOR INTERMITTENT PROBLEMS   ) 
   2. A: Go to next step. 

      REPLACE ECM (SEE  REPLACEMENT  )