2008 INFINITI QX56 Factory Service Manual

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Page 673 of 4083

INFINITI QX56 2008 Factory Service Manual CCS
DTC 90 STOP LAMP RLY FIXCCS-33
< COMPONENT DIAGNOSIS >
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2. Check continuity between ICC brake hold relay harness connec- tor E134 (B) terminal 3 and IC C unit harness c

Page 674 of 4083

INFINITI QX56 2008 Factory Service Manual CCS-34
< COMPONENT DIAGNOSIS >
DTC 90 STOP LAMP RLY FIX
1. Disconnect ICC brake hold relay.
2. Check continuity between ICC brake hold relay E134 terminal 7and terminal 6.
Are continuity test results

Page 675 of 4083

INFINITI QX56 2008 Factory Service Manual CCS
DTC 90 STOP LAMP RLY FIXCCS-35
< COMPONENT DIAGNOSIS >
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1. Connect connectors of ICC unit and stop lamp switch.
2. While performing active test (STOP LAMP: STP LMP DRIV

CCS
DTC 90 STOP LAMP RLY FIXCCS-35
< COMPONENT DIAGNOSIS >
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1. Connect connectors of ICC unit and stop lamp switch.
2. While performing active test (STOP LAMP: STP LMP DRIVE ON) with CONSULT-III, check voltage between ICC unit harness
connector B17 terminal 47 and ground.
Does battery voltage exist?
YES >> GO TO 14
NO >> Replace ICC unit. Refer to CCS-70, "
ICC Unit". Erase
DTC and perform ICC system running test. Refer to
CCS-8, "
ACTION TEST : ICC System Running Test".
14.CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
Check voltage between ICC brake hold relay harness connector
E134 terminal 7 and ground.
Does battery voltage exist?
YES >> GO TO 15
NO >> • Check fuse or ICC brake hold relay power supply har- ness.
• Erase DTC and perform ICC system running test. Refer to CCS-8, "
ACTION TEST : ICC System Run-
ning Test".
15.CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit harness connectors.
3. Check continuity between ICC brake hold relay harness connec- tor E134 (B) terminal 6 and IC C unit harness connector B17 (A)
terminal 38.
4. Check continuity between ICC unit harness connector B17 (A) terminal 38 and ground.
Are continuity test results as specified?
YES >> GO TO 16
NO >> • Repair harness between ICC brake hold relay and ICC unit or between ICC brake hold relay and stop lamp switch.
• Erase DTC and perform ICC system running test. Refer to CCS-8, "
ACTION TEST : ICC Sys-
tem Running Test".
16.CHECK ICC BRAKE HOLD RELAY
1. Connect ICC unit and ICC brake hold relay harness connectors.
2. Disconnect stop lamp switch connector.
3. Perform active test (STOP LAMP) with CONSULT-III, and make sure that stop lamps are illuminated.
Do the stop lamps illuminate?
YES >> GO TO 17
NO >> Replace ICC brake hold relay. Erase DTC and perform ICC system running test. Refer to CCS-8,
"ACTION TEST : ICC System Running Test".
17.CHECK ICC UNIT STANDARD VOLTAGE
47 - Ground
Battery voltage should exist
(during active test)
SKIA3075E
7 - Ground Battery voltage should exist
ALOIA0010ZZ
6 - 38 Continuity should exist.
38 - Ground Continuity should not exist.
ALOIA0011ZZ
Revision: March 2010 2008 QX56

Page 676 of 4083

INFINITI QX56 2008 Factory Service Manual CCS-36
< COMPONENT DIAGNOSIS >
DTC 90 STOP LAMP RLY FIX
1. Connect stop lamp switch connector.
2. While performing active test (STOP LAMP: STP LMP DRIVEON) with CONSULT-III, chec k voltage between ICC

Page 677 of 4083

INFINITI QX56 2008 Factory Service Manual CCS
DTC 92 ECM CIRCUITCCS-37
< COMPONENT DIAGNOSIS >
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DTC 92 ECM CIRCUIT
DTC 92 ECM CIRCUITINFOID:0000000001744712
1.DIAGNOSIS CHECK 1
Perform self-diagnosis with CONSULT-I

Page 678 of 4083

INFINITI QX56 2008 Factory Service Manual CCS-38
< COMPONENT DIAGNOSIS >
DTC 96 NP RANGE
DTC 96 NP RANGE
DTC 96 NP RANGEINFOID:0000000001744713
1.CHECK ICC UNIT CONNECTORS
1. Turn ignition switch OFF.
2. Disconnect ICC unit harness connectors

Page 679 of 4083

INFINITI QX56 2008 Factory Service Manual CCS
DTC 97 AT CIRCUITCCS-39
< COMPONENT DIAGNOSIS >
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DTC 97 AT CIRCUIT
DTC 97 AT CIRCUITINFOID:0000000001744714
1.CHECK A/T CIRCUIT
With TCM diagnosis, check that shift ope

Page 680 of 4083

INFINITI QX56 2008 Factory Service Manual CCS-40
< COMPONENT DIAGNOSIS >
DTC 98 GEAR POSITION
DTC 98 GEAR POSITION
DTC 98 GEAR POSITIONINFOID:0000000001744715
1.DIAGNOSTIC CHECK
Perform ICC self diagnosis.
Does "DTC 43 VDC/TCS/ABS CIRC" or "D

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