EC-280
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1706 PNP SWITCH
P1706 PNP SWITCH
DescriptionINFOID:0000000001671055
When the shift lever position is P or N (A/T), Neutral (M/T) position, park/neutral position (PNP) switch is ON.
ECM detects the position because the continuity of the line (the ON signal) exists.
DTC LogicINFOID:0000000001671056
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 5.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 3.
3.CHECK PNP SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “P/N POSI SW” in “DATA MONITOR” mode with CONSULT-III. Then check the “P/N POSI SW” sig-
nal under the following conditions.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Go to EC-281, "
Diagnosis Procedure".
4.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and warm it up to normal operating temperature.
3. Maintain the following conditions for at least 50 consecutive seconds.
CAUTION:
Always drive vehicle at a safe speed.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1706Park/neutral position
switchThe signal of the park/neutral position (PNP)
switch is not changed in the process of engine
starting and driving. Harness or connectors
[The park/neutral position (PNP) switch
circuit is open or shorted.]
Park/neutral position (PNP) switch
Position (Shift lever) Known-good signal
P or N position (A/T)
Neutral position (M/T)ON
Except above position OFF
ENG SPEED A/T: 1,650 - 6,375 rpm
M/T: 1,925 - 6,375 rpm
COOLAN TEMP/S More than 70°C (158°F)
P1805 BRAKE SWITCH
EC-283
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
P1805 BRAKE SWITCH
DescriptionINFOID:0000000001671059
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is driving.
DTC LogicINFOID:0000000001671060
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase the DTC with CONSULT-III.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-283, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001671061
1.CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Check the stop lamp when depressing and releasing the brake pedal.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1805 Brake switchA brake switch signal is not sent to ECM for ex-
tremely long time while the vehicle is driving. Harness or connectors
(Stop lamp switch circuit is open or short-
ed.)
Stop lamp switch
Brake pedal Stop lamp
Fully released Not illuminated
Slightly depressed Illuminated
Stop lamp switch
Ground Voltage
Connector Terminal
E13 (LHD models)
M203 (RHD models)1 Ground Battery voltage
EC-288
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P2122, P2123 APP SENSOR
7.DETECT MALFUNCTIONGN PART
Check the following.
Harness or connectors E7, M69, M25, M201 (RHD models).
Harness for open or short between ECM and APP sensor.
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK APP SENSOR
Refer to EC-288, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 9.
9.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to EC-288, "
Special Repair Requirement".
>> INSPECTION END
10.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001671066
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to EC-288, "
Special Repair Requirement".
>> INSPECTION END
Special Repair RequirementINFOID:0000000001671067
1.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to EC-26, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".
>> GO TO 2.
(+) (–)
Condition Voltage
Connector Terminal Connector Terminal
E1611 0
(APP sensor 1 signal)
E16111
Accelerator pedalFully released 0.6 - 0.9V
Fully depressed 3.9 - 4.7V
103
(APP sensor 2 signal)104Fully released 0.3 - 0.6V
Fully depressed 1.95 - 2.4V
EC-300
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P2138 APP SENSOR
12.DETECT MALFUNCTINING PART
Harness or connectors E7, M69, M25, M201 (RHD models).
Harness for open or short between ECM and APP sensor.
>> Repair open circuit or short to ground or shot to power in harness or connectors.
13.CHECK APP SENSOR
Refer to EC-300, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 15.
NO >> GO TO 14.
14.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to EC-300, "
Special Repair Requirement".
>> INSPECTION END
15.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001671081
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to EC-300, "
Special Repair Requirement".
>> INSPECTION END
Special Repair RequirementINFOID:0000000001671082
1.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to EC-26, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".
>> GO TO 2.
2.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
(+) (–)
Condition Voltage
Connector Terminal Connector Terminal
E1611 0
(APP sensor 1 signal)
E16111
Accelerator pedalFully released 0.6 - 0.9V
Fully depressed 3.9 - 4.7V
103
(APP sensor 2 signal)104Fully released 0.3 - 0.6V
Fully depressed 1.95 - 2.4V
IGNITION SIGNAL
EC-319
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
IGNITION SIGNAL
DescriptionINFOID:0000000001671107
The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns
ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil
secondary circuit.
Component Function CheckINFOID:0000000001671108
1.INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES-1 >> With CONSULT-III: GO TO 2.
YES-2 >> Without CONSULT-III: GO TO 3.
NO >> Go to EC-319, "
Diagnosis Procedure".
2.IGNITION SIGNAL FUNCTION
With CONSULT-III
1. Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT-III.
2. Make sure that each circuit produces a momentary engine speed drop.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-319, "
Diagnosis Procedure".
3.IGNITION SIGNAL FUNCTION
Without CONSULT-III
1. Let engine idle.
2. Read the voltage signal between ECM harness connector terminals as follows.
NOTE:
The pulse cycle changes depending on rpm at idle.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-319, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001671109
1.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
2. Check the voltage between ECM harness connector terminals as follows.
ECM Ground
Voltage signal
Connector Terminal Connector Terminal
F1017
E16 108 18
21
22
JMBIA0329GB
(+) (–)
Vo l ta g e
Connector Terminal Connector Terminal
E16 105 E16 108 Battery voltage
DIAGNOSIS AND REPAIR WORKFLOW
EC-383
< BASIC INSPECTION >[HR16DE (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
YES >> GO TO 7.
NO >> GO TO 9.
7.PERFORM SPEC IN DATA MONITOR MODE
With CONSULT-III
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP value using CON-
SULT-III in “SPEC” of “DATA MONITOR” mode. Refer to EC-469, "
Component Function Check".
Is the measurement value within the SP value?
YES >> GO TO 9.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART BY TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to EC-470, "
Diagnosis Procedure".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to EC-670, "
Symptom Table" based on the confirmed symptom in
step 4, and determine the trouble diagnosis order based on possible causes and symptom.
>> GO TO 10.
10.DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
NOTE:
The Diagnosis Procedure in EC section described based on open circuit inspection. A short circuit inspection
is also required for the circuit check in the Diagnosis Procedure. For details, refer to Circuit Inspection in GI-
58, "Circuit Inspection".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> Monitor input data from related sensors or check the voltage of related ECM terminals using CON-
SULT-III. Refer to EC-635, "
Reference Value".
11 .REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it. Refer to EC-457, "
Diagnosis Description".
>> GO TO 12.
12.FINAL CHECK
When DTC was detected in step 2, perform DTC CONFIRMATION PROCEDURE or Component Function
Check again, and then make sure that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and make sure
that the symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 10.
YES-2 >> Symptom remains: GO TO 6.
NO >> Before returning the vehicle to the customer, make sure to erase unnecessary DTC in ECM.
(Refer to EC-457, "
Diagnosis Description".)
Diagnostic Work SheetINFOID:0000000001161428
DESCRIPTION
EC-390
< BASIC INSPECTION >[HR16DE (WITHOUT EURO-OBD)]
INSPECTION AND ADJUSTMENT
quirement
INFOID:0000000001161437
1.START
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON and wait at least 2 seconds.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON and wait at least 2 seconds.
5. Turn ignition switch OFF and wait at least 10 seconds.
>> END
THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING : DescriptionINFOID:0000000001161438
Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle
valve by monitoring the throttle position sensor output signal. It must be performed each time harness connec-
tor of electric throttle control actuator or ECM is disconnected.
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement
INFOID:0000000001161439
1.START
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.
>> END
IDLE AIR VOLUME LEARNING
IDLE AIR VOLUME LEARNING : DescriptionINFOID:0000000001161440
Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps each engine idle speed
within the specific range. It must be performed under any of the following conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or ignition timing is out of specification.
IDLE AIR VOLUME LEARNING : Special Repair RequirementINFOID:0000000001161441
1.PRECONDITIONING
Make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.
Battery voltage: More than 12.9V (At idle)
Engine coolant temperature: 70 - 100°C (158 - 212°F)
Park/neutral position switch: ON
Electric load switch: OFF
(Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime light systems, set lighting switch to the 1st position to light only
small lamps.
Steering wheel: Neutral (Straight-ahead position)
Vehicle speed: Stopped
Transmission: Warmed-up
- For A/T models
With CONSULT-III: Drive vehicle until “FLUID TEMP SE” in “DATA MONITOR” mode of “A/T” system indi-
cates less than 0.9V.
Without CONSULT-III: Drive vehicle for 10 minutes.
- For M/T models
Drive vehicle for 10 minutes.
INSPECTION AND ADJUSTMENT
EC-391
< BASIC INSPECTION >[HR16DE (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 3.
2.IDLE AIR VOLUME LEARNING
With CONSULT-III
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-389, "
ACCELERATOR PEDAL
RELEASED POSITION LEARNING : Special Repair Requirement".
2. Perform Throttle Valve Closed Position Learning. Refer to EC-390, "
THROTTLE VALVE CLOSED POSI-
TION LEARNING : Special Repair Requirement".
3. Start engine and warm it up to normal operating temperature.
4. Select “IDLE AIR VOL LEARN” in “WORK SUPPORT” mode.
5. Touch “START” and wait 20 seconds.
Is
“CMPLT” displayed on CONSULT-III screen?
YES >> GO TO 4.
NO >> GO TO 5.
3.IDLE AIR VOLUME LEARNING
Without CONSULT-III
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-389, "
ACCELERATOR PEDAL
RELEASED POSITION LEARNING : Special Repair Requirement".
2. Perform Throttle Valve Closed Position Learning. Refer to EC-390, "
THROTTLE VALVE CLOSED POSI-
TION LEARNING : Special Repair Requirement".
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
6. Repeat the following procedure quickly five times within 5 seconds.
- Fully depress the accelerator pedal.
- Fully release the accelerator pedal.
7. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MI stops
blinking and turned ON.
8. Fully release the accelerator pedal within 3 seconds after the MI turned ON.
9. Start engine and let it idle.
10. Wait 20 seconds.
>> GO TO 4.
4.CHECK IDLE SPEED AND IGNITION TIMING
Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifi-
cations.
For specification, refer to EC-684, "
Idle Speed" and EC-684, "Ignition Timing".
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 5.
SEC897C