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Pinpoint Tests - OSC Equipped Vehicle

Pinpoint Tests - OSC Equipped Vehicle

Special Tool(s)

Special Tool(s):





Any time 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 as necessary.

Shift Solenoid Pre-Diagnosis

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

Solenoid Operation Chart - Converter Disengaged

Solenoid Operation Chart - Converter Disengaged (Part 1):




Solenoid Operation Chart - Converter Disengaged (Part 2):





With an ON/OFF solenoid, OFF = No Hydraulic Flow.

With a PWM solenoid, OFF = Full Hydraulic Flow.

Solenoid Operation Chart - Converter Engaged

Solenoid Operation Chart - Converter Engaged:





With a on/off solenoid, OFF = No Hydraulic Flow.

With a PWM solenoid, OFF = Full Hydraulic Flow.

Pinpoint Tests

Refer to Vehicle/Diagrams for schematic and connector information.