1. Remove the rear accessory socket..
2. Connect the tester probe to the position shown in the figure and verify that there is continuity.

If it cannot be verified, replace the rear accessory socket..
Front Accessory Socket Removal/Installation
Rear Accessory Socket Removal/InstallationRefrigerant System Service Cautions
Handling Insufficient Refrigerant Level
If an insufficient refrigerant level is detected at troubleshooting, do
not charge (add) the refrigerant. Because an accurate amount of refrigerant
cannot be determined from the pressure indicated on the manifold gauge, never
charge the refrige ...
Starter Interlock Switch Removal/Installation [C66 M R]
1. Disconnect the negative battery cable..
2. Disconnect the starter interlock switch connector.
3. Remove the starter interlock using the following procedure:
a. Detach hook A in the direction of the arrow shown in the figure.
b. Slide the starter interlock switch in the direction of th ...
Judder Upon Torque Converter Clutch (TCC) Operation [Fw6 A EL, Fw6 Ax EL]
TROUBLESHOOTING ITEM
Judder upon torque converter clutch (TCC) operation
DESCRIPTION
Vehicle jolts when TCC is engaged.
POSSIBLE CAUSE
Signal malfunction
APP ...