Engine General Information and Diagnosis: 1A-69
Step
Action
Yes
No
1
Reception data check from BCM
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch.
3) Check DTC for reception data from BCM.
Is there DTC P1678?
Go to applicable DTC
diag. flow.
Go to Step 2.
2
DTC check of HVAC control module
1) Check HVAC control module for DTC.
Is there DTC(s)?
Go to applicable DTC
diag. flow.
Go to Step 3.
3
A/C switch signal circuit check
1) Start engine and select “DATA LIST” mode on scan tool.
2) Check A/C switch signal under following conditions
respectively.
A/C switch signal
Engine running, A/C switch OFF: OFF
Engine running, A/C switch ON and blower speed
selector turned 1st position or more: ON
Is check result satisfactory?
Go to Step 4.
Check HVAC control
module and its circuit.
4
DTC check of ECT sensor circuit
1) Check ECM for DTC of ECT sensor circuit.
Is there DTC P0116, DTC P0117 or DTC P0118?
Go to applicable DTC
diag. flow.
Go to Step 5.
5
Radiator cooling fan control system check
Is radiator cooling fan started when A/C and blower speed
selector switch are turned ON with engine running?
Go to Step 11.
Go to Step 6.
6
Radiator cooling fan control circuit check
1) Check DTC with scan tool.
Is DTC P0480 displayed?
Go to “DTC P0480: Fan
1 (Radiator Cooling
Fan) Control Circuit: in
related manual”.
Go to Step 7.
7
Evaporator temperature sensor check
1) Check evaporator temperature sensor referring to “A/C
Evaporator Temperature Sensor Inspection: in Section
7B in related manual”.
Is resistance within specification?
Go to Step 8.
Faulty evaporator
temperature sensor.
8
DTC check of A/C refrigerant pressure sensor circuit
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch.
3) Check ECM for DTC of A/C refrigerant pressure sensor
circuit.
Is there DTC P0532 or DTC P0533?
Go to applicable DTC
diag. flow.
Go to Step 9.
9
A/C refrigerant pressure sensor voltage check
1) Check A/C refrigerant pressure sensor voltage referring
to “Inspection of ECM and Its Circuits: ”.
Is voltage within specified value?
Go to Step 10.
Check amount of
refrigerant. If OK,
replace A/C refrigerant
pressure sensor.
10
Radiator cooling fan check
1) Check radiator cooling fan referring to “Radiator Cooling
Fan Motor On-Vehicle Inspection: in Section 1F in
related manual”.
Is check result satisfactory?
Radiator cooling fan
drive circuit malfunction.
If circuit is OK, go to
Step 7.
Replace radiator cooling
fan motor.
Содержание GRAND VITARA JB416
Страница 2: ......
Страница 6: ......
Страница 12: ...0A 3 General Information...
Страница 316: ...4F 53 Electronic Stability Program...
Страница 364: ...5A 45 Automatic Transmission Transaxle...
Страница 372: ...6B 6 Steering Wheel and Column...
Страница 412: ...9D 4 Wipers Washers...
Страница 473: ...Prepared by 1st Ed Jan 2006...