Inspection Procedure

HINT:

• The following troubleshooting flowchart is based on the premise that the engine is cranked normally. If the engine will not crank, proceed to the PROBLEM SYMPTOMS TABLE  on .
• Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, 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. READ VALUE OF INTELLIGENT TESTER (STARTER SIGNAL) 
   1. Connect the intelligent tester to the DLC3.
   2. Turn the ignition switch ON and turn the tester ON.
   3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / STARTER SIG.
   4. Check the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK 

      DATA LIST
      
      

      Ignition Switch Position	STARTER SIG
      ON	OFF
      START	ON

   OK : CHECK FOR INTERMITTENT PROBLEMS 

   NG : GO TO NEXT STEP 

2. INSPECT PARK/NEUTRAL POSITION SWITCH OR CLUTCH START SWITCH 
   1. Inspect the Park/Neutral Position (PNP) switch (for A/T models).
      1. Disconnect the P1 PNP switch connector.
      2. Measure the resistance when the transmission gear selector lever is moved to each position.

         Standard resistance 

         TESTER CONNECTION SPECIFIED CONDITION CHART
         
         

         Gear Selector Lever Position	Tester Connection	Specified Condition
         P	1 - 3, 6 - 9	Below 1 Ω
         N	3 - 5, 6 - 9	Below 1 Ω

   2. Inspect the clutch start switch (for M/T models).
      1. Disconnect the C9 clutch start switch connector.
      2. Measure the resistance when the clutch start switch is ON and OFF.
         Fig 1: Identifying P1 PNP Switch Connector Terminals

         Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

         Standard resistance 

         TESTER CONNECTION SPECIFIED CONDITION CHART
         
         

         Ignition Switch Position	Tester Connection	Specified Condition
         ON (pushed)	1 - 2	Below 1 Ω
         OFF (free)	1 - 2	10 kΩ or higher

   NG : REPLACE PARK/NEUTRAL POSITION SWITCH OR CLUTCH START SWITCH (GO TO NEXT STEP AFTER REPLACEMENT) 

   Fig 2: Identifying C9 Clutch Start Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK : GO TO NEXT STEP 

3. READ VALUE OF INTELLIGENT TESTER (STARTER SIGNAL) 
   1. Connect the intelligent tester to the DLC3.
   2. Turn the ignition switch ON and turn the tester ON.
   3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / STARTER SIG.
   4. Check the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK 

      DATA LIST
      
      

      Ignition Switch Position	STARTER SIG
      ON	OFF
      START	ON

   OK : SYSTEM OK 

   NG : GO TO NEXT STEP 

4. INSPECT IGNITION SWITCH ASSEMBLY 
   1. Disconnect the I10 ignition switch connector.
   2. Measure the resistance of the ignition switch.
      TESTER CONNECTION SPECIFIED CONDITION CHART
      
      

      Switch Position	Tester Connection	Specified Condition
      LOCK	All Terminals	10 kΩ or higher
      START	ST2 (4) - AM2 (5)	Below 1 Ω

   NG : REPLACE IGNITION SWITCH ASSEMBLY (GO TO NEXT STEP AFTER REPLACEMENT) 

   Fig 3: Identifying I10 Ignition Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG : GO TO NEXT STEP 

5. READ VALUE OF INTELLIGENT TESTER (STARTER SIGNAL) 
   1. Connect the intelligent tester to the DLC3.
   2. Turn the ignition switch ON and turn the tester ON.
   3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / STARTER SIG.
   4. Check the value displayed on the tester when the ignition switch is turned to the ON and START positions.

      OK 

      DATA LIST
      
      

      Ignition Switch Positions	STARTER SIG
      ON	OFF
      START	ON

   OK : SYSTEM OK 

   NG : REPAIR OR REPLACE HARNESS OR CONNECTOR