2007 INFINITI QX56 Factory Service Manual

Page 257 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-187
< SERVICE INFORMATION >
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2. Check A/T fluid condition. Refer to AT-51, "Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO

Page 258 of 3061

INFINITI QX56 2007  Factory Service Manual AT-188
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check A/T fluid level. Refer to AT-13, "Checking Automatic Trans-
mission Fluid (ATF)".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK

Page 259 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-189
< SERVICE INFORMATION >
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2. Check A/T fluid condition. Refer to AT-51, "Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO

Page 260 of 3061

INFINITI QX56 2007  Factory Service Manual AT-190
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check A/T fluid level. Refer to AT-13, "Checking Automatic Trans-
mission Fluid (ATF)".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK

Page 261 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-191
< SERVICE INFORMATION >
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The lock-up condition cannot be cancelled even after releasing the accelerator pedal.
DIAGNOSTIC PROCEDURE

Page 262 of 3061

INFINITI QX56 2007  Factory Service Manual AT-192
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
2. Check A/T fluid condition. Refer to AT-51, "Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 4.
NG >> GO TO 7.
4.DETECT MALF

Page 263 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-193
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1. Turn ignition switch “ON”.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for
"A/T" with CONS

Page 264 of 3061

INFINITI QX56 2007  Factory Service Manual AT-194
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-210, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T