Workshop Manual

6E–114
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Electric Throttle Control (ETC) System Check (Cont'd)
Step NoYesValue(s)Action
6 1. Install the Tech 2
2. Ignition “ON” but not engine run.
3. Chech the valve for APS and TPS.
Was the problem found?
Idle AP1 =
11–13% AP2
= 87–88%
AP3 =
87–88% TP1
= 1–6% TP2
= 1–6% WOT
AP1 =
85–89% AP2
= 11–15%
AP3 =
32–36% TP1
= 98–100%
TP2 =
98–100%
Go to Step 10 Go to Step 7
7 Replace the throttle valve.
Is the action complete?
— Go to Step 8 —
8 Check the following circuits for an open, short to
voltage, short to ground, or poor connection at the
PCM:
B Accelerator position sensor 1 circuit.
B Accelerator position sensor 2 circuit.
B Accelerator position sensor 3 circuit.
B Accelerator position sensor resistance.
If a problem is found, repair as necessary.
Was a problem found?
Vcc–GND
4–6kW
SIG–GND
change
resistance
Verify repair Go to Step 9
9 Replace the accelerator position sensor.
Is the action complete?
— Go to Step 10 –
10 Following below the DTCs stored:
P1125, P1290, P1295, P1299
—
Go to
applicable
DTC chart
Go to Step 11
11 Following below the DTCs stored:
P1514, P1515, P1516, P1523, P1271, P1272, P1273
—
Go to
applicable
DTC chart
Go to Step 12
12 Replace the PCM.
IMPORTANT: The replacement PCM must be
programmed. Refer to
On-Vehicle Service in
Powertrain Control Module and Sensors for
procedures.
And also refer to latest Service Bulletin.
Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Is the action complete?
— Verify repair —