DISASSEMBLY
PROCEDURE
1. REMOVE TRANSPONDER KEY ECU ASSEMBLY (w/ Engine Immobiliser System)
2. REMOVE NO. 1 FINISH PANEL MOUNTING BRACKET
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(a) Remove the 2 bolts and 2 No. 1 finish panel mounting brackets as shown in the illustration. |
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3. REMOVE NO. 2 FINISH PANEL MOUNTING BRACKET
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(a) Remove the bolt and No. 2 finish panel mounting bracket as shown in the illustration. |
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4. REMOVE NO. 3 AIR DUCT SUB-ASSEMBLY
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(a) Disengage the 2 claws and guide, and remove the No. 3 air duct sub-assembly as shown in the illustration. |
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5. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY
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(a) Disengage the 2 claws and guide, and remove the No. 2 air duct sub-assembly as shown in the illustration. |
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6. REMOVE AIR CONDITIONING HARNESS ASSEMBLY
(a) Disconnect each connector.
(b) Disengage each clamp and remove the air conditioning harness assembly.
7. REMOVE COOLER EXPANSION VALVE
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(a) Using a 4 mm hexagon wrench, remove the 2 hexagon bolts and cooler expansion valve. |
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8. REMOVE AIR CONDITIONING RADIATOR ASSEMBLY
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(a) Remove the 6 screws. |
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(b) Disengage the guide and disconnect the wire harness. |
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(c) Disengage the 5 claws and remove the air conditioning radiator assembly from the blower assembly with cooler evaporator sub-assembly.
9. REMOVE COOLER EVAPORATOR SUB-ASSEMBLY
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(a) Disengage the clamp and remove the cooler evaporator sub-assembly with the No. 1 cooler thermistor. |
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(b) Remove the 2 O-rings from the cooler evaporator sub-assembly. |
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10. REMOVE NO. 1 COOLER THERMISTOR
11. REMOVE ASPIRATOR PIPE
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(a) Disengage the clamp. |
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(b) Disengage the 2 claws and remove the aspirator pipe.
12. REMOVE AIR MIX CONTROL SERVO MOTOR SUB-ASSEMBLY
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(a) Remove the 2 screws and air mix control servo motor sub-assembly. |
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13. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
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(a) Disengage the 3 claws and remove the heater clamp. Text in Illustration
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(b) Remove the screw and clamp.
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(c) Remove the heater radiator unit sub-assembly as shown in the illustration. NOTICE: Prepare a drain pan or cloth in case the cooling water leaks. |
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14. REMOVE AIR OUTLET CONTROL SERVO MOTOR SUB-ASSEMBLY
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(a) Remove the 3 screws and air outlet control servo motor sub-assembly. |
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Removal
ReassemblyMass Air Flow Meter
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
NOTICE:
Perform the mass air flow meter inspection according to the procedure
below.
Only replace the mass air flow meter when t ...
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...