Topaz L4-140 2.3L CFI (1985)
processor. If code 22 is received in memory, follow TSB 85-2-6 and then proceed.
4.
Check for EEC wiring/connector concerns by performing a "Wiggle Test" on the following sensors using the corresponding pinpoint test.
SENSOR INPUT
PINPOINT
EGR Valve Position (EVP)
DD90
Engine Coolant Temperature (ECT)
DE90
Air Charge Temperature (ACT)
DB90
NOTE:
While performing the ACT sensor "Wiggle Test", check the routing of the EEC Harness Wiring to the sensor. If harness is routed too taut, the connector
could pull loose creating an intermittent or open circuit.
Processor Application
Calibration Updated
Vehicle Processor
Replace with
From
To
E53F-12A650-HB
E53Z-12A650-HC
5-25-R0
5-25F-R10
E53F-12A650-GB
E53Z-12A650-GC
5-250-R0
5-25Q-R10
E53F-12A650-DB
E53Z-12A650-DC
5-26E-R0
5-26E-R10
E53F-12A650-DB
E53Z-12A650-DC
5-26J-R01
5-26J-R11
E53F-12A650-EB
E53Z-12A650-EC
5-26R-R01
5-26R-R11
Obtain an Authorized Modifications decal and list the date, dealer number and summary of alterations performed. Select a prominent place adjacent to
the Vehicle Emission Control Information decal suitable for installing the authorized Modifications decal. Clean the area, install the decal and cover it
with a plastic decal shield.
PART NUMBER
PART NAME
CLASS
E53Z-12A650-HC
Processor
R
E53Z-12A650-GC
Processor
W
E53Z-12A650-DC
Processor
R
E53Z-12A650-EC
Processor
W
E43Z-9F479-B
Map Sensor
A
OTHER APPLICABLE ARTICLES:
None
WARRANTY STATUS:
Reimbursable within the provisions of the warranty and Policy Manual.
OPERATION:
SP1265OB85
TIME:
2.1 Hrs.
SUPPLEMENTAL OPERATIONS
TIME
SP12650B1 - Check processor (TSB 85-2-6)
0.5
SP1265OB2 - Repair electrical fault
0.3
SP12650B3 - Replace MAP sensor
0.3
SP12650B4 - Remove distribution plate
0.5
SP12650B5 - Reset throttle stop screw
0.6
SP12650B6 - Check throttle linkage
0.1
SP12650B7 - Replace processor
0.5
