Operation CHARM: Car repair manuals for everyone.

Pinpoint Tests Note




Pinpoint Tests - OSC Equipped Vehicle





When an electrical connector or solenoid body is disconnected, inspect the connector for terminal condition, corrosion and contamination. Also inspect the connector seal for damage. Clean, repair or install new components as required.

Shift Solenoid Pre-Diagnosis

Use the following shift solenoid operation information when carrying out Pinpoint Test A.

Solenoid Operation Chart





CB = Clutch brake

NC = Normally closed

NH = Normally high

NL = Normally low

a Turns on above 8 km/h (5 mph).

b Turns off above 8 km/h (5 mph).

Shift Solenoid Failure Mode Chart "Failed ON" or "Failed OFF"

Failed ON/OFF due to TCM (Transmission Control Module) and/or vehicle wiring concerns and/or solenoid electrically, mechanically or hydraulically stuck on/off.

SSA (Shift Solenoid A)






SSB (Shift Solenoid B)





a Reverse is available if the solenoid circuit failed causing transmission solenoid power control solenoid to remove voltage to all solenoids.

SSC (Shift Solenoid C)






SSD (Shift Solenoid D)





a Reverse is available if the solenoid circuit failed causing transmission solenoid power control solenoid to remove voltage to all solenoids.

b No engine braking.

SSE (Shift Solenoid E)





a No engine braking.

Pinpoint Tests

Refer to Wiring Diagram Set 30 for schematic and connector information Electrical Diagrams.