Inspection Procedure

1. Remove the combination meter assembly.
2. Check indicator light on the combination meter assembly.
   1. Check that the height control indicator light (HI, N, LO) comes on of the combination meter assembly when positive battery voltage is applied to the terminals as shown in the table below.
      BATTERY CONNECTION REFERENCE TABLE
      
      

      Indicator Light	Battery Positive	Battery Negative
      HI	C8-16	C8-12
      N	C8-16	C8-11
      LO	C8-16	C8-10

      Fig 1: Identifying Combination Meter Assembly Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Height control indicator light (HI, N, LO) comes on. 

NG: REPLACE COMBINATION METER ASSEMBLY 

OK: Go to next step. 

1. Disconnect the suspension control ECU S16 connector.
2. Measure the resistance according to the values in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Specified Condition
   S16-16 (HI) - C8-12	Below 1 Ω
   S16-17 (NR) - C8-11	Below 1 Ω
   S16-18 (LO) - C8-10	Below 1 Ω
   S16-16 (HI) - Body ground	10 kΩ or higher
   S16-17 (NR) - Body ground	10 kΩ or higher
   S16-18 (LO) - Body ground	10 kΩ or higher

   Fig 2: Identifying Suspension Control ECU 16 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE