Infiniti QX4. Electrical System (2003 year). Manual — part 23
16
CHECK ICC BRAKE HOLD RELAY
With CONSULT-II
1. Connect connectors of ICC unit and ICC brake hold relay.
2. Disconnect stop lamp switch connector.
3. Perform active test (STOP LAMP) with CONSULT-II, and make sure that stop lamp is illuminated.
OK or NG
NG
䊳
Replace ICC brake hold relay. Erase DTC and perform ICC system running test. Then
perform self-diagnosis of ICC system again.
OK
䊳
GO TO 17.
17
CHECK ICC UNIT STANDARD VOLTAGE
1. Connect stop lamp switch connector.
2. Perform active test (STOP LAMP:STP LMP DRIVE ON) with CONSULT-II, check voltage between ICC unit harness
connector B159 terminal 29 (Y/G) and ground.
SKIA1200E
Approx. 0V (during active test)
OK or NG
NG
䊳
Replace stop lamp switch.Erase DTC and perform ICC system running test. Then per-
form self-diagnosis of ICC system again.
OK
䊳
Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-
diagnosis of ICC system again.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis For Self-diagnostic Items (Cont’d)
EL-357
DTC 102 RADAR STAIN
=NBEL0468S21
1
VISUAL INSPECTION (1)
쐌
Check that there is no contamination and foreign material on ICC sensor body window.
Yes or No
Yes
䊳
쐌
If any, remove them.
쐌
After that, Erase DTC, Erase DTC and perform ICC system running test. Then perform
self-diagnosis of ICC system again.
No
䊳
GO TO 3.
2
VISUAL INSPECTION (2)
쐌
Check ICC sensor body window for cracks.
Yes or No
Yes
䊳
쐌
Replace ICC sensor, and adjust laser beam.
쐌
After that, Erase DTC, Erase DTC and perform ICC system running test. Then perform
self-diagnosis of ICC system again.
No
䊳
GO TO 3.
3
ASKING COMPLAINTS
1. Is there any trace of contamination or foreign material on ICC sensor?
2. Is there any possibility that vehicle was driven in snow or ICC sensor was frosted?
3. Is there any possibility that ICC sensor was fogged temporarily? (Front window glass may have also tended to be
fogged.)
Yes or No
Yes
䊳
Explain difference in displays between contamination detection result and current indica-
tion to customer, and tell them “This is not malfunction”.
No
䊳
쐌
Replace ICC sensor, and adjust laser beam aiming.
쐌
After that, Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis For Self-diagnostic Items (Cont’d)
EL-358
DTC 103 LASER SENSOR FAIL
=NBEL0468S22
1
DIAGNOSTIC CHECK
쐌
Are “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item indicated in self-diagnosis display item?
Yes or No
Yes
䊳
GO TO APPLICABLE ITEM INSPECTION. Refer to “DTC 11 CONTROL UNIT” EL-322,
and “DTC 20 CAN COMM CIRCUIT” EL-322.
No
䊳
쐌
Replace ICC sensor, and adjust laser beam aiming.
쐌
After that, Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
DTC 104 LASER AIMING INCMP
NBEL0468S23
1
DIAGNOSTIC CHECK
1. Adjust laser beam aiming. Erase DTC, and perform.
2. After that, perform self-diagnosis of ICC system. Is “DTC 104 LASER AIMING INCMP” indicated?
Yes or No
Yes
䊳
쐌
Replace ICC sensor, and adjust laser beam aiming.
쐌
After that, Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
No
䊳
Inspection is completed.
DTC 107 LASER COMM FAIL
NBEL0468S24
1
DIAGNOSTIC CHECK
쐌
Is “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” items other than “DTC 107 LASER COMM FAIL” indi-
cated in the self-diagnosis display item?
Yes or No
Yes
䊳
GO TO APPLICABLE ITEM INSPECTION. Refer to “DTC 11 CONTROL UNIT” EL-322,
and “DTC 20 CAN COMM CIRCUIT” EL-322.
No
䊳
쐌
Replace ICC sensor. Adjust laser beam aiming.
쐌
After that, Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
DTC 109 LASER HIGH TEMP
NBEL0468S25
1
CHECK SYMPTOM
쐌
Is cooling system malfunctioning?
Yes or No
Yes
䊳
쐌
Repair cooling system.
쐌
After that, Erase DTC and perform ICC system running test. Then perform self-diagno-
sis of ICC system again.
No
䊳
쐌
Replace ICC sensor, and adjust laser beam aiming.
쐌
After repair, Erase DTC. Then perform ICC system running test, and perform self-diag-
nosis of ICC unit.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis For Self-diagnostic Items (Cont’d)
EL-359
Trouble Diagnosis for Symptoms
=NBEL0469
SYMPTOM CHART
NBEL0469S01
Symptoms
Reference page
Operation
Cruise ON/OFF does not switch ON.
Symptom 1
Cruise ON/OFF does not switch OFF.
Symptom 1
Cruise does not function for setting (powering functions).
Symptom 2
CANCEL switch does not function.
Symptom 3
Resume does not function.
Symptom 3
The set speed does not increase.
Symptom 3
The set distance to the vehicle ahead cannot be changed.
Symptom 3
The ICC is not cancelled when the gear is in other than D.
Symptom 4
Display/Chime
The ICC system display does not appear.
Check combination meter. Refer
to EL-131.
Chime does not function.
Symptom 5
Chime does not stop.
Symptom 6
Control
Driving force is hunting.
Symptom 7
Function to detect the vehicle
ahead
The system frequently cannot detect the vehicle ahead.
Symptom 8
The distance to detect the vehicle ahead is short.
Symptom 8
The system misidentifies a vehicle even though there is no
vehicle ahead.
쐌
Refer to EL-286, “LASER
BEAM AIMING ADJUST-
MENT”
쐌
Refer to EL-284, “ICC system
running test”
The system misidentifies a vehicle in the next lane.
쐌
Refer to EL-286, “LASER
BEAM AIMING ADJUST-
MENT”
쐌
Refer to EL-284, “ICC system
running test”
The system does not detect a vehicle at all.
Symptom 9
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms
EL-360
SYMPTOM 1: CRUISE ON/OFF DOES NOT SWITCH ON.
(THE ICC SYSTEM DISPLAY IN THE COMBINATION
METER DOES NOT ILLUMINATE.) CRUISE ON/OFF
DOES NOT SWITCH OFF. (THE ICC SYSTEM DISPLAY
IN THE COMBINATION METER REMAINS POWERED.)
=NBEL0469S02
1
CHECK ON/OFF SWITCH
With CONSULT-II
쐌
With data monitor, check that ON/OFF switch operates normally.
OK or NG
OK
䊳
GO TO 2.
NG
䊳
GO TO 4.
2
CHECK COMBINATION METER
쐌
Check combination meter.
OK or NG
OK
䊳
GO TO 5.
NG
䊳
After repair or replacement, erase DTC, and perform self-diagnosis of ICC system again.
3
CHECK METER COMMUNICATION
쐌
Are “DTC 48 METER CIRCUIT” item indicated in self-diagnosis?
Yes or No
No
䊳
Replace ICC unit. Erase DTC, and perform self-diagnosis of ICC system again.
Yes
䊳
Repair or replace malfunctioning part. Erase DTC, and perform self-diagnosis of ICC
system again.
4
CHECK ICC UNIT REFERENCE SIGNAL
쐌
Check voltage between ICC unit harness connector B160 terminal 49 (GY/L) and terminal 58 (G/Y). Refer to “Terminals
and Reference Value for ICC Unit” EL-304.
OK or NG
OK
䊳
GO TO 9.
NG
䊳
GO TO 5.
5
CHECK ICC STEERING SWITCH
쐌
Check ICC steering switch.
Refer to “ICC Steering Switch” EL-372.
OK or NG
NG
䊳
Replace ICC steering switch. Erase DTC, and perform self-diagnosis of ICC system
again.
OK
䊳
GO TO 6.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-361
6
CHECK SWITCH HARNESS
1. Turn ignition switch OFF.
2. Disconnect switch harness connector.
3. Check continuity between switch harness (on spiral cable) terminal 13, 14 and switch harness (on switch) terminal 1, 2.
4. Check continuity between switch harness (on switch) terminal 1, 2 and ground.
SEL555Y
SKIA1276E
MTBL1245
MTBL1246
OK or NG
NG
䊳
Replace switch harness. Erase DTC, and perform self-diagnosis of ICC system again.
OK
䊳
GO TO 7.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-362
7
CHECK SPIRAL CABLE
1. Turn ignition switch OFF.
2. Disconnect spiral cable connector and ICC unit connector.
3. Check continuity between spiral cable (on vehicle) terminals 4, 5 and spiral cable (on switch) terminals 13, 14.
4. Check continuity between spiral cable (on vehicle) terminals 4, 5 and ground.
SEL556Y
SEL557Y
MTBL1247
MTBL1248
OK or NG
NG
䊳
Replace spiral cable. Erase DTC, and perform self-diagnosis of ICC system again.
OK
䊳
GO TO 8.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-363
8
CHECK HARNESS BETWEEN SPIRAL CABLE AND ICC UNIT
1. Disconnect ICC unit connector.
2. Check continuity between spiral cable terminal 4 (Y), 5 (Y) and ICC unit harness connector B160 terminal 58 (G/Y), 49
(GL/Y).
SEL558Y
MTBL1249
OK or NG
NG
䊳
Repair harness Erase between spiral cable switch and ICC unit. Erase DTC, and per-
form self-diagnosis of ICC system again.
OK
䊳
GO TO 10.
9
CHECK CONNECTOR FOR ICC UNIT
쐌
Check ICC unit (on ICC unit and harness) for disconnected and bent terminals.
OK or NG
OK
䊳
Replace ICC unit. Erase DTC, and perform self-diagnosis of ICC system again.
NG
䊳
Repair terminal or connector. Erase DTC, and perform self-diagnosis of ICC system
again.
10
CHECK CONNECTOR ICC STEERING SWITCH, SWITCH HARNESS AND SPIRAL CABLE
쐌
Check ICC steering switch and combination switch terminals (on switch, on cable, on harness) for disconnection and
bend.
OK or NG
OK
䊳
GO TO 9.
NG
䊳
Repair terminal or connector. Erase DTC and perform self-diagnosis of ICC system
again.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-364
SYMPTOM 2: THE ICC SYSTEM CANNOT BE SET (ON/
OFF SWITCH TURNS ON/OFF).
=NBEL0469S03
The ICC cannot be set in the following cases.
쐌
When the vehicle speed is not in range of approx. 40 km/h (25
MPH) to 144 km/h (90 MPH).
쐌
When the A/T shift lever is in gears other than “D”.
쐌
While the brake is in operation.
1
CHECK CAUSE OF AUTOMATIC CANCELLATION
With CONSULT-II
1. With “CAUSE OF AUTO-CANCEL” in work support, check if any cause of cancellation exists.
OK or NG
OK
䊳
쐌
Cancel with appropriate cause.
쐌
For causes A or B, go to specified diagnosis.
A: “OPE SW VOLT CIRC”
: Refer to “DTC 46 OPERATION SW CIRC” EL-335.
B: “IGN LOW VOLT”
: Refer to “DTC 31 POWER SUPPLY CIR1, DTC34
POWER SUPPLY CIR2” EL-324.
NG
䊳
GO TO 2.
2
SELF-DIAGNOSIS CHECK
With CONSULT-II
1. Perform CONSULT-II self-diagnosis to check for malfunctioning items.
OK or NG
OK
䊳
After repairing or replacing malfunctioning part, erase DTC. Perform ICC system running
test, and then perform self-diagnosis of ICC system again.
NG
䊳
GO TO 3.
3
SWITCHES AND VEHICLE SPEED SIGNAL CHECK
With CONSULT-II
1. With data monitor, check that switches and vehicle speed signal operate normally. Refer to “DATA MONITOR” EL-311.
A: VHCL SPEED SE
B: D RANGE SW
C: BRAKE SW
D: SET/COAST SW
OK or NG
OK
䊳
After replacing ICC unit, erase DTC. Perform ICC system running test, and then perform
self-diagnosis of ICC system again.
NG
䊳
쐌
A: Refer to “DTC 41 VHCL SPEED SE CIRC” EL-325.
쐌
B: Refer to “Symptom 4: The ICC System Is Not Cancelled When the Gear Is in Oth-
erThan “D” EL-366.
쐌
C: Refer to “DTC 45 BRAKE SW /STOP L SW” EL-333.
쐌
D: Refer to “DTC 46 OPERATION SW CIRC” EL-335.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-365
SYMPTOM 3: THE ICC SYSTEM CANNOT BE
CANCELLED BY THE CANCEL SWITCH, RESUME OR
INCREASE THE SET VEHICLE SPEED, OR CHANGE
THE DISTANCE SETTING.
=NBEL0469S04
RESUME does not function in the following cases:
쐌
When ON/OFF switch is turned off once.
쐌
When the vehicle speed is less than 40 km/h (25 MPH).
1
SWITCH CHECK
With CONSULT-II
1. With data monitor, check that switches operate normally.
“RESUME/ACC SW”, “CANCEL SW”, “DISTANCE ADJ”. Refer to “DATA MONITOR” EL-311.
OK or NG
NG
䊳
Refer to “DTC 46 OPERATION SW CIRC” EL-335.
OK
䊳
After replacing ICC unit, erase DTC. Perform driving check, and then perform self-diag-
nosis of ICC system again.
SYMPTOM 4: THE ICC SYSTEM IS NOT CANCELLED
WHEN THE GEAR IS IN OTHER THAN “D”.
NBEL0469S05
1
D RANGE SWITCH CHECK
With CONSULT-II
1. With data monitor, check that “D RANGE SW” operates normally. Refer to “DATA MONITOR” EL-311
NG or OK
NG
䊳
GO TO 2.
OK
䊳
After replacing ICC unit, erase DTC. Perform ICC system running test, and then perform
self-diagnosis of ICC system again.
2
CHECK PARK/NEUTRAL POSITION SWITCH
1. Turn ignition switch OFF.
2. Disconnect harness connector of ICC unit and park/neutral position switch.
3. Check continuity between ICC unit harness connector B160 terminal 53 (L/OR) and park/neutral position switch har-
ness connector B65 terminal 7 (L).
SEL537Y
Continuity should exist.
OK or NG
OK
䊳
Refer to “PARK/NEUTRAL POSITION SWITCH” EL-372.
NG
䊳
쐌
Repair harness between ICC unit and park/neutral position switch.
쐌
After repair, erase DTC, and perform ICC running test. Then, perform self-diagnosis of
ICC system again.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-366
SYMPTOM 5: CHIME DOES NOT SOUND.
=NBEL0469S06
The chime may not sound occasionally in the following cases even
if the distance from the vehicle ahead is short:
쐌
When the speed difference from that of the vehicle ahead is
small (both vehicles driving at similar speed).
쐌
When the vehicle ahead drives at faster speed (the actual dis-
tance is increasing).
쐌
When depressing the accelerator.
쐌
Chime does not sound when the vehicle is not driving.
쐌
Chime does not sound when the system does not detect any
vehicle ahead. (Diagnose the conditions under which the sys-
tem is detecting the vehicle ahead and when the system is
malfunctioning. If there is any malfunction in detecting the
vehicle ahead, check the system following the EL-370, “Symp-
tom 8: The ICC System Frequently Cannot Detect the Vehicle
Ahead/TheDetection Zone Is Short”.
1
CHECK ICC WARNING CHIME
1. With active test, check that ICC warning chime operates normally.
OK or NG
OK
䊳
Determine preceding vehicle detection status when malfunction occurred. If chime should
have sounded: after replacing ICC unit, erase DTC. Perform ICC system running test,
and then perform self-diagnosis of ICC system again.
NG
䊳
GO TO 2.
2
CHECK ICC WARNING CHIME SIGNAL
1. Check the voltage between the ICC warning chime harness connector M149 terminals 1 (W/G), 2 (Y) and body ground.
SKIA1281E
1 - Body ground
: Battery voltage (Approx. 12V) (Ignition switch ON)
: Approx. 0V (Ignition switch OFF)
2 - Body ground
: Battery voltage (Approx. 12V) (Chime output OFF)
: Approx. 0V (Chime output ON)
OK or NG
OK
䊳
GO TO 4.
NG
䊳
쐌
If terminal 1 is NG
: Check corresponding harness, connector, and fuse. After repairing, erase DTC.
Perform.
After that, perform self-diagnosis of ICC system.
쐌
If terminal 2 is NG
: GO TO 3.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-367
3
CHECK HARNESS BETWEEN ICC UNIT AND CHIME
1. Turn ignition switch OFF.
2. Disconnect connectors of ICC unit and ICC warning chime.
3. Check for continuity between ICC unit harness connector B158 terminal 21 (Y) and ICC warning chime harness con-
nector M149 terminal 2(Y).
SKIA1282E
MTBL1250
OK or NG
NG
䊳
Check harness between ICC unit and ICC warning chime. After repairing, erase DTC.
Perform ICC system running test, and then perform self-diagnosis of ICC system again.
OK
䊳
GO TO 5.
4
CHECK CONNECTOR ICC WARNING CHIME
1. Check chime terminals (chime side and harness side) for disconnection, bend, and other irregular conditions.
OK or NG
OK
䊳
After replacing chime, erase DTC. Perform ICC system running test, and then perform
self-diagnosis of ICC system again.
NG
䊳
After repairing terminal and connector, erase DTC. Perform driving check, and then per-
form self-diagnosis of ICC system again.
5
CHECK CONNECTOR FOR ICC UNIT
1. Check ICC unit terminals (ICC unit side and harness side) for disconnection, bend, and other irregular conditions.
OK or NG
OK
䊳
GO TO 4.
NG
䊳
After repairing terminal and connector, erase DTC. Perform ICC system running test, and
then perform self-diagnosis of ICC system again.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-368
SYMPTOM 6: CHIME DOES NOT STOP.
NBEL0469S07
1
CHECK ICC WARNING CHIME SIGNAL
1. Check voltage between ICC warning chime harness connector M149 terminal 2 (Y) and body ground.
SKIA1283E
Battery voltage (Approx. 12V) (Chime output OFF: Approx. 0V)
NOTE:
With active test, turn ON and OFF chime output.
OK or NG
OK
䊳
After replacing chime, erase DTC. Perform ICC system running test, and then perform
self-diagnosis of ICC system again.
NG
䊳
GO TO 2.
2
CHECK GROUND CIRCUIT FOR ICC WARNING CHIME
1. Turn ignition switch OFF.
2. Disconnect ICC warning chime and ICC unit connector.
3. Check for continuity between ICC warning chime harness connector M149 terminal 2 (Y) and body ground.
SKIA1284E
Continuity should not exist.
OK or NG
OK
䊳
After replacing chime, erase DTC. Perform ICC system running test, and then perform
self-diagnosis of ICC system again.
NG
䊳
Repair harness between ICC unit and chime. After repairing, erase DTC. Perform ICC
system running test, and then perform self-diagnosis of ICC system again.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-369
SYMPTOM 7: DRIVING FORCE IS HUNTING.
=NBEL0469S08
1
CHECK ASCD ACTUATOR
1. Check ASCD actuator. Refer to “ASCD Actuator” EL-373.
OK or NG
NG
䊳
After repairing applicable parts, erase DTC. Perform ICC system running test, and then
perform self-diagnosis of ICC system again.
OK
䊳
“Symptom 8: The ICC system frequently cannot detect the vehicle ahead/The detection
zone is short” EL-370.
SYMPTOM 8: THE ICC SYSTEM FREQUENTLY CANNOT
DETECT THE VEHICLE AHEAD/THE DETECTION ZONE
IS SHORT.
NBEL0469S09
The detection function may become unstable in the following
cases:
쐌
When the reflector of the vehicle ahead is deficient/ not clean
enough to reflect the radar.
쐌
When driving a road with extremely sharp corners.
쐌
When the radar cannot detect the reflector of the vehicle ahead
as the vehicle ahead is passing a hill or passing the peak.
1
VISUAL CHECK
1. Check ICC sensor body window for contamination and foreign materials.
OK or NG
OK
䊳
If any contamination or foreign materials are found, remove them. Then perform ICC sys-
tem running test.
NG
䊳
GO TO 2.
2
OPERATION CHECK
1. After adjusting ICC sensor beam aiming, perform ICC system running test. Check that preceding vehicle detection per-
formance has been improved.
OK or NG
OK
䊳
Inspection is completed.
NG
䊳
쐌
Replace ICC sensor, and perform laser ICC system running test beam aiming adjust-
ment.
쐌
After performing above, erase DTC. Perform ICC system running test, and then per-
form self-diagnosis of ICC system again.
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-370
SYMPTOM 9: THE SYSTEM DOES NOT DETECT THE
VEHICLE AHEAD AT ALL.
=NBEL0469S10
1
VISUAL CHECK
1. With ignition switch turned ON (engine not started), check that all indicator lamps in ICC system display are continu-
ously lit. (Check for a missing segment in preceding vehicle detection display.)
OK or NG
OK
䊳
GO TO 2.
NG
䊳
Check for combination meter.
2
VISUAL CHECK
쐌
Check ICC sensor body window for contamination and foreign materials.
OK or NG
OK
䊳
If any contamination or foreign materials are found, remove them. Perform ICC system
running test.
NG
䊳
GO TO 4.
3
VISUAL CHECK
쐌
Check ICC sensor body window for cracks and scratches.
OK or NG
OK
䊳
쐌
Replace ICC sensor, and perform laser beam aiming adjustment.
쐌
After performing above, erase DTC. Perform ICC system running test, and then per-
form self-diagnosis of ICC system again.
NG
䊳
GO TO 4.
4
1. After adjusting ICC sensor beam aiming, perform ICC system running test. Check that preceding vehicle detection per-
formance has been improved.
OK or NG
OK
䊳
Inspection is completed.
NG
䊳
쐌
Replace ICC sensor, and perform laser ICC system running test beam aiming adjust-
ment.
쐌
After performing above, erase DTC. Perform ICC system running test, and then per-
form self-diagnosis of ICC system again.
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INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Trouble Diagnosis for Symptoms (Cont’d)
EL-371
Electrical Component Inspection
=NBEL0470
ICC STEERING SWITCH
NBEL0470S01
1)
Disconnect ICC steering switch.
SKIA1303E
2)
Check resistance between Z30 terminals 1 and 2 by depress-
ing each switch.
Switch
Condition
Resistance [
Ω
]
ON/OFF
Depressed
Approx. 0
Released
Approx. 5,456
DISTANCE
Depressed
Approx. 741
Released
Approx. 5,456
ACCELERATE/
RESUME
Depressed
Approx. 2,586
Released
Approx. 5,456
COAST/SET
Depressed
Approx. 1,406
Released
Approx. 5,456
CANCEL
Depressed
Approx. 309
Released
Approx. 5,456
SEL752Y
ICC BRAKE SWITCH AND STOP LAMP SWITCH
NBEL0470S02
Condition
Continuity
ICC brake switch
Stop lamp switch
When brake pedal is depressed
No
Yes
When brake pedal is released
Yes
No
Check each switch after adjusting brake pedal, refer to
“BRAKE PEDAL” BR-12.
SEL303XA
PARK/NEUTRAL POSITION SWITCH
NBEL0470S03
A/T selector lever position
Continuity
Between terminals 1 and 2
“P”
Yes
“N”
Yes
Except “P” and “N”
No
INTELLIGENT CRUISE CONTROL (ICC) SYSTEM
Electrical Component Inspection
EL-372
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