Inspection Procedure

READ DATA LIST (START SWITCH 1 and 2)
1. Connect the hand-held tester (with CAN VIM) to the DLC3.
2. Turn the power switch ON (IG) and press the hand-held tester main switch ON.
3. Read the DATA LIST according to the displays on the tester.
  Power source control ECU:
  
  Fig 1: Power Source Control ECU - Data List
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: ON (power switches 1 and 2 are ON (IG)) appears on the screen
1. NG: Go to step 2
2. OK: GO TO NEXT STEP
  REPLACE POWER SOURCE CONTROL ECU

CHECK WIRE HARNESS (POWER SWITCH - POWER SOURCE CONTROL ECU AND BODY GROUND)

Disconnect the P11 power switch connector.
Disconnect the P6 ECU connector.

Measure the resistance of the wire harness side connectors.

Standard:

TESTER CONNECTION AND SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
P11-5 (SS1) - P6-14 (SSW1)	Below 1 Ω
P11-7 (SS2) - P6-37 (SSW2)	Below 1 Ω
P11-6 - Body ground	Below 1 Ω
P11-5 (SS2) or P6-14 (SSW1) - Body ground	10 kΩ higher
P11-7 (SS2) or P6-37 (SSW2) - Body ground	10 kΩ higher

Fig 2: Disconnecting P6 ECU Connector

G02617859

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: GO TO NEXT STEP

INSPECT POWER SWITCH (See INSPECTION )
1. NG: REPLACE POWER SWITCH
2. OK: GO TO NEXT STEP
  REPLACE POWER SOURCE CONTROL ECU