W350 1 Ton Pickup 4WD V8-360 5.9L VIN 1 4-bbl (1988)
Coolant Temperature Sensor/Switch (For Computer): Customer Interest
Coolant Temperature Sensor - MIL ON/DTC 22 Set
Models
1988 B, C, D, E, G, H, J, K, L, N, P, & S, Body Vehicles
Subject
Intermittent Fault Code 22 - Coolant Temperature Sensor
Index
DRIVEABILITY
Date
February 13, 1989
No.
18-03-89
P-556
(C18-25)
BODY CODE LEGEND
B - RAM VAN/RAM WAGON
K - ARIES/RELIANT
C - DYNASTY/NEW YORKER
L - OMNI/HORIZON
G - DAYTONA
N - DAKOTA/DAKOTA SPORT
H - LANCER/LeBARON GTS
P - SHADOW/SUNDANCE
J - LeBARON
S - CARAVAN/VOYAGER
D - DODGE RAM PICKUP/RAMCHARGER SPORT UTILITY
E - CARAVELLE/600/NEW YORKER TURBO
SYMPTOM/CONDITION
Check engine lamp is illuminated and Fault Code 22 (engine coolant sensor) is stored in diagnostic memory. When the vehicle is shut off and restarted,
the check engine lamp may not be lit but Fault Code 22 will remain in memory.
DIAGNOSIS
Perform the applicable Diagnostic Test Procedures. If the coolant sensor is not found to be defective, replace the coolant temperature sensor connector
as outlined below.
PARTS REQUIRED
The following must be ordered separately:
1 Coolant Sensor Connector Repair Pigtail
PN 4414901
2 Heat Shrink Wrap Tubing
PN 4400683
REPAIR PROCEDURE
This repair involves replacing the coolant temperature sensor connector with a revised connector.
1.
Disconnect the battery.
2.
Cut off old coolant temperature sensor wiring harness connector.
3.
Strip wire ends on vehicle wiring harness.
4.
Slide 3" section of heat shrink wrap, PN 4400683, on to each wire of harness.
5.
Match wire harness colors and solder wires together using rosin core solder.
