mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Transmission Position Switch/Sensor, A/T|Flow of Diagnosis|Page 3741 > < Transmission Position Switch/Sensor, A/T|Specifications|Page 3738
Page 1
background image

Transmission Position Switch/Sensor: Flow of Diagnosis

INSPECTION AND VERIFICATION 

1. Visually inspect the components of the starting system.

Visual Inspection Chart 

Mechanical

a. Damaged or misadjusted Transmission Range (TR) switch.
b. Damaged or misadjusted transmission shift cable.
c. Damaged Transmission Control Module (TCM).

Electrical

a. Blown fuse:  10A ELECTRON IGN.
b. Damage to wiring harness.
c. Loose or corroded connections.

2. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.
3. If fault is not visually evident, proceed to the Symptom Chart.

See: Symptom Related Diagnostic Procedures

Transmission Position Switch/Sensor, A/T|Flow of Diagnosis|Page 3741 > < Transmission Position Switch/Sensor, A/T|Specifications|Page 3738