Inspection Procedure

1. Check for DTCs (See DATA LIST / ACTIVE TEST  ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

B: Go to CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

A: Go to next step. 

1. Operate the Techstream according to the display and select Active Test (See DATA LIST / ACTIVE TEST  ).

   Combination Meter 

   DIAGNOSTIC NOTE CHART
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Oil Pressure Meter Operation	Oil pressure receiver gauge	LOW, 1/4, 1/2, 3/4 or HIGH	Perform the test with the vehicle stopped and engine idling.

   OK: Needle indication is normal. 

NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )

OK: Go to next step. 

1. Check that the needle moves in accordance with the engine speed.

   OK: Needle is as shown in illustration ( Fig 1 ) when engine is stopped. 

   Needle moves when engine is running. 

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   Oil pressure receiver gauge operates correctly according to engine condition	A
   Oil pressure receiver gauge does not operate correctly according to engine condition	B

   Fig 1: Checking Needle Movement

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

B: REPLACE OIL PRESSURE SENSOR  (See REMOVAL )

A: Go to next step. 

1. Disconnect the E8 meter connector.
2. Disconnect the D6 gauge connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E8-11 (S) - D6-1 (S)	Always	Below 1 Ω
   E8-11 (S) or D6-1 (S) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying E8 Meter Connector And D6 Gauge Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )