Isuzu 2000 Trooper Workshop Manual page 1619

DTC P0711 Transmission Fluid Temperature (TFT) Sensor Performance (Cont'd)
Step
6 Inspect circuit RED/WHT and RED/BLK of the engine wiring
harness for an intermittent open or short condition. Repair the
circuits if necessary.
Did you find a problem?
7 Inspect the automatic transmission wiring harness assembly for
an intermittent open in circuits RED/WHT and RED/BLK.
Did you find a problem?
8 Inspect the automatic transmission wiring harness assembly for
an intermittent shorted condition in circuits RED/WHT and
RED/BLK.
Did you find a problem?
9 Replace the automatic transmission wiring harness assembly.
Is the replacement complete?
10 Replace TFT Sensor. Refer to Transmission Oil Temperature
Sensor (Main Case) in Automatic Transmission (4L30–E)
section.
Is the replacement complete?
11 Replace the PCM. Refer to Powertrain Control Module (PCM) in
Automatic Transmission (4L30–E) section.
Is the replacement complete?
12 In order to verify your repair, perform the following procedure.
1. Select DTC.
2. Select Clear Info.
3. Drive the vehicle and ensure the following conditions are met:
 The TFT changes by more than 2.25ÂC (4.05ÂF) for 11
seconds since startup.
 The TFT does not change by more than 20ÂC (36ÂF) within
0.200 second for a period of at least 11 seconds.
4. Select Specific DTC.
5. Enter DTC P0711.
Has the test run and passed?
TRANSMISSION CONTROL SYSTEM (4L30–E)
Action Yes
Go to Step 12 Go to Step 11
Go to Step 9 Go to Step 10
Go to Step 9 Go to Step 10
Go to Step 12
Go to Step 12
Go to Step 12
Begin the
diagnosis again
Go to Step 1
System OK
7A1–35
No
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