Page 145 of 3051

5 CHECK THROTTLE POSITION SWITCH CIRCUIT (WITHOUT CONSULT-II)
Without CONSULT-II
1. Apply vacuum to the throttle opener, then check the following. Refer to steps 1 to 5 of ªPreparationº, ªSELF-DIAGNOS-
TIC PROCEDURE (Without CONSULT-II)º, AT-35.
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Check voltage between TCM terminals 16, 17 and ground while depressing, and releasing accelerator pedal slowly.
(After warming up engine)
MTBL0137
SAT454JA
OK or NG
OK©GO TO 6.
NG©Check the following items:
+Throttle position switch Ð Refer to ªComponents Inspectionº, AT-145.
+Harness for short or open between ignition switch and throttle position switch (Main
harness)
+Harness for short or open between throttle position switch and TCM (Main harness)
6 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-138.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
THROTTLE POSITION SENSOREXCEPT FOR EURO-OBD
Diagnostic Procedure (Cont'd)
AT-144
Page 146 of 3051
SAT851JA
Component Inspection=NLAT0260THROTTLE POSITION SWITCHNLAT0260S01Closed Throttle Position Switch (Idle position)NLAT0260S0101+Check continuity between terminals 4 and 5.
[Refer to ªPreparationº, ªSELF-DIAGNOSTIC PROCEDURE
(Without CONSULT-II)º, AT-35.]
Accelerator pedal condition Continuity
Released Yes
Depressed No
+To adjust closed throttle position switch, refer to EC section,
(ªBasic Inspectionº, ªTROUBLE DIAGNOSIS Ð BASIC
INSPECTIONº.)
SAT852JA
Wide Open Throttle Position SwitchNLAT0260S0102+Check continuity between terminals 5 and 6.
Accelerator pedal condition Continuity
Released No
Depressed Yes
THROTTLE POSITION SENSOREXCEPT FOR EURO-OBD
Component Inspection
AT-145
Page 147 of 3051

DescriptionNLAT0261The step motor is turned ON/OFF 4 times according to the signal
from TCM. As a result, the flow of line pressure to primary pulley
is changed and pulley ratio is controlled.
CONSULT-II REFERENCE VALUE IN DATA MONITOR
MODE
NLAT0261S05Remarks: Specification data are reference values.
Monitor item Condition Specification
Step motorThe vehicle runs a safe condition and
press/depress accelerator pedal.ON/OFF
TCM TERMINALS AND REFERENCE VALUENLAT0261S01Remarks: Specification data are reference values.
Terminal
No.Wire color Item ConditionJudgement stan-
dard (Approx.)
11 P U
Step motorWithin 2 seconds after key switch ªONº, the time measurement by
using the pulse width measurement function (Hi level) of CON-
SULT-II.
+CONSULT-II cable connect to data link connector.
+This inspection cannot be measured by circuit tester.30.0 msec
12 L/W10.0 msec
20 L/Y30.0 msec
21 P/L10.0 msec
ON BOARD DIAGNOSIS LOGICNLAT0261S02
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
: STEP MOTOR TCM detects an improper voltage drop
when it tries to operate the solenoid
valve.+Harness or connectors
(The solenoid circuit is open or shorted.)
+Stepping motor circuit
: 4th judgement flicker
SAT250K
SAT809HA
SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURENLAT0261S03After the repair, perform the following procedure to confirm the
malfunction is eliminated.
With CONSULT-IINLAT0261S03011) Start engine.
2) Select ªSELF-DIAG RESULTSº mode for CVT with CONSULT-
II.
3) Drive vehicle in D position.
Without CONSULT-IINLAT0261S03021) Start engine.
2) Drive vehicle in D position.
3) Perform self-diagnosis.
Refer to ªSELF-DIAGNOSTIC PROCEDURE (Without
CONSULT-II)º, AT-35.
STEPPING MOTOR Ð CIRCUITEXCEPT FOR EURO-OBD
Description
AT-146
Page 148 of 3051
Wiring Diagram Ð AT Ð STMNLAT0262
YAT182
STEPPING MOTOR Ð CIRCUITEXCEPT FOR EURO-OBD
Wiring Diagram Ð AT Ð STM
AT-147
Page 149 of 3051
Diagnostic ProcedureNLAT0265
1 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªONº position.
2. Check ªSELF-DIAG RESULTSº with CONSULT-II.
3. If ªCVT SAFE FUNCTIONº activate, refer to ªCVT SAFE FUNCTIONº, AT-125.
4. Turn ignition switch to ªOFFº position.
5. Disconnect TCM harness connector.
6. Check continuity between terminal 2, 3, 4, 5 and TCM harness connector terminal 11, 12, 20, 21.
Continuity should exist.
SAT655JA
If OK, check harness for short to ground and short to power.
7. Reinstall any part removed.
OK or NG
OK©GO TO 2.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
2 CHECK DTC
Perform ªSELF-DIAGNOSIS CODE CONFIRMATION PROCEDUREº, AT-146.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
STEPPING MOTOR Ð CIRCUITEXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-148
Page 150 of 3051
SAT690JA
Component Inspection=NLAT0266STEP MOTORNLAT0266S01Resistance CheckNLAT0266S0101+Check resistance between terminals.
Control valve Terminal No. Resistance (Approx.)
Step motor2 and 3
28W
4 and 5
2 and ground
14W 3 and ground
4 and ground
5 and ground
STEPPING MOTOR Ð CIRCUITEXCEPT FOR EURO-OBD
Component Inspection
AT-149
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DescriptionNLAT0267+The step motor is ON/OFF of 4 aspects changes according to
the signal from TCM.
As a result, the flow of line pressure to primary pulley is
changed and pulley ratio is controlled.
+This diagnosis item detects when electrical system is OK but,
mechanical system is NG.
+This diagnosis item detects when the state that the changing
the speed mechanism in unit does not operate normally.
CONSULT-II REFERENCE VALUE IN DATA MONITOR
MODE
NLAT0267S01It is monitoring whether ªCVT RATIO: 2.32 - 0.47º changes similarly
to ªPLY CONT STEP: 3 - 200º by DATA MONITOR mode.
ON BOARD DIAGNOSIS LOGICNLAT0267S02
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
: STEP MOTOR/FNCTN*+Step motor is not operating according
to the TCM.+Step motor
*: This detected item is according to the ªSELF-DIAG RESULTSº for ªENGINEº on CONSULT-II.
SAT250K
SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURENLAT0267S05After the repair, perform the following procedure to confirm the
malfunction is eliminated.
With CONSULT-IINLAT0267S05011) Start engine.
2) Select ªSELF-DIAG RESULTSº mode for ENGINE with CON-
SULT-II.
3) Drive vehicle in D position.
Diagnostic ProcedureNLAT0268
1 CHECK STEP MOTOR
+It is monitoring whether ªCVT ratio: 2.32 - 0.47º changes similarly to ªPLY CONT STEP: -3 - 200º by DATA MONITOR
mode.
+If no CONSULT-II, inspect the engine speed (rise and descend) about vehicle speed and throttle opening angle, and
check shift change.
OK or NG
OK©INSPECTION END
NG©Replace CVT assembly.
STEP MOTOR Ð FUNCTIONEXCEPT FOR EURO-OBD
Description
AT-150
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DescriptionNLAT0269+The line pressure sensor detects line pressure of CVT, and
sends TCM the signal.
CONSULT-II REFERENCE VALUE IN DATA MONITOR
MODE
NLAT0269S01Remarks: Specification data are reference values.
Monitor item Condition Specification
Line pressure sensorThrottle valve fully closed (PL Duty: 4%)
¯
Throttle valve fully depressed
(PL Duty: 94%)Approx. 1.0V
¯
Approx. 4.0V
TCM TERMINALS AND REFERENCE VALUENLAT0269S02Remarks: Specification data are reference values.
Terminal
No.Wire color Item ConditionJudgement stan-
dard (Approx.)
37 W
Line pressure
sensor
When engine runs at idle speed. 1.0V
When engine runs at stall speed. 4.0V
42 B
ÐÐ
46 R/LÐ 4.5 - 5.5V
ON BOARD DIAGNOSIS LOGICNLAT0269S03
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
: LINE PRESSURE SEN
TCM receives an excessively low or high
voltage from the sensor.+Harness or connectors
(The sensor circuit is open or shorted.)
+Line pressure sensor
: 5th judgement flicker
LINE PRESSURE SENSOREXCEPT FOR EURO-OBD
Description
AT-151