BE6653
FI7058
A00486
Throttle Position
Sensor
ON
4
3
2
1
1
11
9
10
E5
E5
E5
E5
VTA
ECM
VCC
IDL
E2
E1
12V
5V
FI7064
A00487
Throttle Position Sensor
4
3
2
1
1
11
9
10
E5
E5
E5
E5
VTA
ECM
VCC
IDL
E2
E1
12V
5V
IDL
E2
ON
DI
−
94
−
DIAGNOSTICS
ENGINE
1996 LAND CRUISER (RM451U)
2
Check for open in harness or ECM.
PREPARATION:
(a)
Disconnect throttle position sensor connector.
(b)
Connect sensor wire harness terminals between
terminals 1 and 2.
(c)
Turn ignition switch ON.
CHECK:
Read CTP switch signal on TOYOTA hand
−
held tester.
OK:
CTP switch signal: ON
OK
Confirm good connection at sensor.
If OK, replace throttle position sensor.
NG
3
Check for open in harness or ECM.
PREPARATION:
(a)
Remove instrument panel speaker No.1 panel
(See page
SF
−
65
).
(b)
Connect between terminals IDL and E2 of ECM.
HINT:
Throttle position sensor connector is disconnected.
Before checking, do a visual check and contact pressure check
for connector (See page
IN
−
28
).
(c)
Turn ignition switch ON.
CHECK:
Read CTP switch signal on TOYOTA hand
−
held tester.
OK:
CTP switch signal: ON
OK
Open in harness between ECM and throttle
position sensor, repair or replace harness.
NG
Confirm connection at ECM.
If OK, replace ECM (See page
IN
−
28
).
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Brought to you by BirfMark
Version 1.00 - 12/21/2010