Page 1297 of 3171

INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE
EC-317
C
D
E
F
G
H
I
J
K
L
MA
EC
4.CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect intake air control valve control solenoid valve (1)
harness connector.
–: Vehicle front
–Electronic controlled engine mount control solenoid valve (2)
–Oil filter (3)
3. Turn ignition switch ON.
4. Check voltage between intake air control valve control solenoid
valve terminal 2 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
lHarness connectors E9, F4
lHarness for open or short between IPDM E/R and intake air control valve control solenoid valve
lHarness for open or short between ECM and intake air control valve control solenoid valve
>> Repair open circuit or short to power in harness or connectors.
6.CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 15 and intake air control valve control solenoid valve ter-
minal 1. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE
Refer toEC-318, "
Component Inspection".
OK or NG
OK >> GO TO 8.
NG >> Replace intake air control valve control solenoid valve.
MBIB1226E
Voltage: Battery voltage
PBIB0192E
Continuity should exist.
Page 1298 of 3171

EC-318
INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE
8.CHECK VACUUM PUMP
Refer toEM-42, "
VACUUM PUMP".
OK or NG
OK >> GO TO 9.
NG >> Replace vacuum pump assembly.
9.CHECK INTAKE AIR CONTROL VALVE ACTUATOR
1. Turn ignition switch OFF.
2. Install a vacuum pump A to intake air control valve actuator (1).
3. Make sure that the intake air control valve actuator rod moves
smoothly when applying vacuum of -53.3 kPa (-533 mbar, -400
mmHg, -15.75 inHg) and releasing it.
OK or NG
OK >> GO TO 10.
NG >> Replace intake air control valve actuator.
10.CHECK INTERMITTENT INCIDENT
Refer toEC-70, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
>>INSPECTION END
Component InspectionEBS01KM9
INTAKE AIR CONTROL VALVE CONTROL SOLENOID VALVE
1. Disconnect intake air control valve control solenoid valve (1)
harness connector.
l: Vehicle front
lElectronic controlled engine mount control solenoid valve (2)
lOil filter (3)
2. Apply 12V direct current between turbocharger boost control
solenoid valve terminals.
3. Check air passage continuity of intake air control valve control
solenoid valve under the following conditions.
Operation takes less than 1 second.
If NG, replace intake air control valve control solenoid valve.
MBIB1239E
MBIB1226E
CONDITIONSAir passage continuity
between (A) and (B)Air passage continuity
between (A) and (C)
12V direct current supply
between terminals (1) and (2)Ye s N o
No supply No Yes
MEC488B
Page 1299 of 3171

HEAT UP SWITCH
EC-319
C
D
E
F
G
H
I
J
K
L
MA
EC
HEAT UP SWITCHPFP:27666
DescriptionEBS01KMA
The heat up switch (1) is located on the lower side of the instrument
panel. This switch is used to speed up the heater's operation when
the engine is cold. When the ECM received the heat up switch ON
signal, the ECM increases the engine idle speed to 1,400 rpm to
warm up engine quickly.
This system works when all conditions listed below are met.
CONSULT-II Reference Value in Data Monitor ModeEBS01KMB
Specification data are reference values.
ECM Terminals and Reference ValueEBS01KMC
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Heat up switch ON
Shift lever P or N (A/T), Neutral (M/T)
Accelerator pedal Fully released
MBIB1221E
MONITOR ITEM CONDITION SPECIFICATION
WARM UP SW
lIgnition switch: ONHeat up switch: OFF OFF
Heat up switch: ON ON
TER-
MINAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
13 Y Heat up switch[Ignition switch ON]
lHeat up switch: OFFApproximately 0.3V
[Ignition switch ON]
lHeat up switch: ONBATTERY VOLTAGE
(11 - 14V)
Page 1300 of 3171
EC-320
HEAT UP SWITCH
Wiring Diagram
EBS01KMD
MBWA1362E
Page 1301 of 3171
HEAT UP SWITCH
EC-321
C
D
E
F
G
H
I
J
K
L
MA
EC
Diagnostic ProcedureEBS01KME
1.CHECK OVERALL FUNCTION-I
With CONSULT-II
1. Turn ignition switch ON.
2. Check “WARM UP SW” in “DATA MONITOR” mode with CONSULT-II under the following conditions.
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 13 and ground under the following conditions.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK OVERALL FUNCTION-II
Check indicator in the heat up switch under the following condition.
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
CONDITION WARM UP SW
Heat up switch: OFF OFF
Heat up switch: ON ON
PBIB0584E
CONDITION VOLTAGE
Heat up switch: OFF Approximately 0V
Heat up switch: ON Battery voltage
MBIB1247E
CONDITION INDICATION
Heat up switch: OFF OFF
Heat up switch: ON ON
Page 1302 of 3171
EC-322
HEAT UP SWITCH
3.CHECK HEAT UP SWITCH POWER SUPPLY CIRCUIT
1. Turn heat up switch OFF.
2. Turn ignition switch OFF.
3. Disconnect heat up switch (1) harness connector.
4. Turn ignition switch ON.
5. Check voltage between heat up switch terminal 1 and ground
with CONSULT -II or tester.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
lFuse block (J/B) connector M88
l10A fuse
lHarness for open or short between heat up switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK HEAT UP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 13 and heat up switch terminal 2. Refer to Wiring Dia-
gram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> GO TO 6.
MBIB1221E
Voltage: Battery voltage
MBIB1245E
Continuity should exist.
Page 1303 of 3171
HEAT UP SWITCH
EC-323
C
D
E
F
G
H
I
J
K
L
MA
EC
6.DETECT MALFUNCTIONING PART
Check the following.
lHarness connectors M91, E101
lHarness connectors E11, F3
lHarness for open or short between ECM and heat up switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK HEAT UP SWITCH INDICATOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between heat up switch terminal 4 and ground.
Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to power in harness or connectors.
8.CHECK HEAT UP SWITCH
Refer toEC-324, "
Component Inspection".
OK or NG
OK >> GO TO 9.
NG >> Replace heat up switch.
9.CHECK INTERMITTENT INCIDENT
Refer toEC-70, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
>>INSPECTION END Continuity should exist.
Page 1304 of 3171
EC-324
HEAT UP SWITCH
Component Inspection
EBS01KMF
HEAT UP SWITCH
1. Turn ignition switch OFF.
2. Disconnect heat up switch harness connector.
3. Check continuity between heat up switch terminals 1 and 2
under the following conditions.
4. If NG, replace heat up switch.
If OK, go to following step.
5. Check continuity between heat up switch terminals 2 and 4
under the following conditions.
6. If NG, replace heat up switch.
CONDITION CONTINUITY
Heat up switch: OFF Should not exist
Heat up switch: ON Should exist
MBIB1386E
CONDITION CONTINUITY
A Should exist
B Should not exist
MBIB1321E