NG -- CHECK VEHICLE CONDITION
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
2. CHECK VEHICLE CONDITION
(a) Check the vehicle condition.
Result
B -- CHECK FOR DTC (AIR SUSPENSION SYSTEM)
A -- Continue to next step.
3. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Data List.
(e) Read the display on the Techstream.
AFS
OK:
Normal conditions listed above are displayed.
NG -- CHECK HARNESS AND CONNECTOR (AFS ECU - REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH)
OK -- Continue to next step.
4. INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY RH
(a) Connect 3 dry cell batteries (1.5 V) in series.
(b) Remove the rear height control sensor sub-assembly RH See: Lighting and Horns/Headlamp/Headlamp Alignment Sensor/Service
and Repair/Components.
(c) Connect a positive (+) lead from the battery to terminal 3 (SHB) and a negative (-) lead from the battery to terminal 1 (SHG).
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