Oil Pressure Gauge Malfunction: Procedure

1. Check for DTCs. Refer to DTC CHECK / CLEAR .
   RESULT
   
   

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

B → See step   6 

A: Go to next step 

1. Operate the Techstream according to the display and select Active Test. Refer to DATA LIST / ACTIVE TEST .
   COMBINATION METER
   
   

   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 → See step   7 

OK: Go to next step 

1. Check that the needle moves in accordance with the engine speed.
   Fig 1: Checking Needle Movement

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   Needle is as shown in illustration when engine is stopped.

   Needle moves when engine is running.

   RESULT
   
   

   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

B → See step   8 

A: Go to next step 

Fig 2: Identifying E8 Meter Connector And D6 Gauge Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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	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 

OK → See step   5