Hand-held tester:

1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to ON and turn the hand-held tester ON.
3. On the hand-held tester, select the item: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG. Read the values.

   Result: 

   Fig 1: Hand-Held Tester Result Table (1 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE ECM (See  ECM (3MZ-FE)  ) 

NG: GO TO NEXT STEP. 

NG: REPLACE PARK/NEUTRAL POSITION SWITCH ASSY (See  PARK/NEUTRAL POSITION SWITCH ASSY (U151E)  ) (GO TO STEP 3 AFTER THE REPLACEMENT) 

OK: GO TO NEXT STEP. 

1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to ON and turn the hand-held tester ON.
3. On the hand-held tester, select the item: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG. Read the values.

   Result: 

   Fig 2: Hand-Held Tester Result Table (2 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: SYSTEM OK 

NG: GO TO NEXT STEP. 

1. Check for continuity between the connector terminals shown in the chart below.

   Standard: 

   Fig 3: Starter Switch Connector Terminals Continuity Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 4: Identifying Starter Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE IGNITION OR STARTER SWITCH ASSY (GO TO STEP 5 AFTER THE REPLACEMENT) 

OK: GO TO NEXT STEP. 

1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to ON and turn the hand-held tester ON.
3. On the hand-held tester, select the item: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STARTER SIG. Read the values.

   Result: 

   Fig 5: Hand-Held Tester Result Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: SYSTEM OK 

NG: GO TO NEXT STEP. 

REPAIR OR REPLACE HARNESS AND CONNECTOR