Inspection Procedure

1. When starting the engine, check whether the starter motor starts.

   OK: CHECK FOR INTERMITTENT PROBLEMS 

   NG: Go to next step. 

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the tester on.
3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Starter Signal.
4. Check the result when the engine switch is turned on (IG) and the engine is started.

Standard 

OK: Go to step   6 

NG: Go to next step. 

1. Measure the voltage according to the value(s) in the table below while cranking the engine.

Standard voltage 

Result 

Fig 1: Identifying Terminals Of ECM Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

B: REPLACE ECM 

C: Go to step   10 

A: Go to next step. 

1. Remove the ST CUT relay from the engine room R/B No. 2.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

Fig 2: Inspecting ST CUT Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE ST CUT RELAY 

OK: Go to next step. 

1. Disconnect the park/neutral position (PNP) switch.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

Fig 3: Identifying Terminals Of E45 Park/Neutral Position Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 

OK: CHECK AND REPAIR HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM, ECM - ST CUT RELAY, ST) 

1. Remove the STARTER relay from the engine room J/B and R/B No. 1.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

Fig 4: Inspecting Starter Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE STARTER RELAY 

OK: Go to next step. 

1. Check the harness and the connectors between the park/neutral position switch and the starter relay.
   1. Disconnect the E45 switch connector.
   2. Remove the starter relay from the engine room J/B and R/B No. 1.
   3. Measure the resistance according to the value(s) in the table below.

   Standard resistance (Check for open) 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   Park/Neutral position switch (E45-5) - STARTER relay (1)	Below 1 Ω

   Standard resistance (Check for short) 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   Park/Neutral position switch (E45-5) or STARTER relay (1) - Body ground	10 kΩ or higher

   Fig 5: Identifying Terminals Of E45 Park/Neutral Position Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the harness and the connector between the starter relay and the body ground.
   1. Remove the starter relay from the engine room No. 1 relay block.
   2. Measure the resistance according to the value(s) in the table below.

Standard resistance (Check for open) 

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

1. Remove the STARTER relay from the engine room J/B and R/B No. 1.
2. Measure the voltage according to the value(s) in the table below.

Standard voltage 

Fig 6: Identifying Terminals Of Starter Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

NG: REPAIR OR REPLACE STARTER ASSEMBLY 

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (STARTER RELAY - STARTER, STARTER BATTERY) 

1. Check the harness and the connectors between the power source control ECU and ECM.
   1. Disconnect the power source control ECU connector.
   2. Disconnect the A5 ECM connector.
   3. Measure the resistance according to the value(s) in the table below.

Standard resistance (Check for open) 

Standard resistance (Check for short) 

Fig 7: Identifying Terminals Of Power Source Control ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK:  GO TO