Diagnosis Procedure
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
Ignition switch OFF.
Disconnect combination switch connector.
Check resistance between the terminals of combination switch connector.
|
Combination switch |
Condition |
Resistance Ω (Approx.) |
||
|---|---|---|---|---|
|
Connector |
Terminal |
Terminal |
||
|
M96 |
27 |
25 |
Depress BACK switch. |
1 |
|
Depress |
52 |
|||
|
Depress |
134 |
|||
|
Depress OK switch. |
264 |
|||
|
Depress DISPLAY BACK switch. |
654 |
|||
|
Depress DISPLAY FWD switch. |
2126 |
|||
|
23 |
Depress |
1 |
||
|
Depress |
52 |
|||
|
Depress |
134 |
|||
|
Depress |
264 |
|||
|
Depress SEEK DOWN switch. |
654 |
|||
|
Depress SEEK UP switch. |
2126 |
|||
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace steering switches. Refer to Removal and Installation.
CHECK HARNESS BETWEEN COMBINATION METER AND COMBINATION SWITCH
Disconnect combination meter connector and combination switch connector.
Check continuity between combination meter connector and combination switch connector .
|
Combination meter |
Combination switch |
Continuity |
||
|---|---|---|---|---|
|
Connector |
Terminal |
Connector |
Terminal |
|
|
M24 |
23 |
M30 |
9 |
Yes |
|
33 |
13 |
|||
|
34 |
11 |
|||
Check continuity between combination meter connector and ground.
|
Combination meter |
— |
Continuity |
|
|---|---|---|---|
|
Connector |
Terminal |
||
|
M24 |
23 |
Ground |
No |
|
33 |
|||
|
34 |
|||
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
CHECK COMBINATION SWITCH
Check continuity between combination switch connectors.
|
Combination switch |
Continuity |
|||
|---|---|---|---|---|
|
Connector |
Terminal |
Connector |
Terminal |
|
|
M96 |
23 |
M30 |
9 |
Yes |
|
25 |
11 |
|||
|
27 |
13 |
|||
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace spiral cable. Refer to Removal and Installation.
CHECK HARNESS BETWEEN COMBINATION METER AND AV CONTROL UNIT
Disconnect combination meter connector and AV control unit connector.
Check continuity between combination meter connector and AV control unit connector.
|
Combination meter |
AV control unit |
Continuity |
||
|---|---|---|---|---|
|
Connector |
Terminal |
Connector |
Terminal |
|
|
M24 |
39 |
M104 |
58 |
Yes |
|
59 |
||||
|
40 |
38 |
|||
|
39 |
||||
Check continuity between combination meter connector and ground.
|
Combination meter |
— |
Continuity |
|
|---|---|---|---|
|
Connector |
Terminal |
||
|
M24 |
39 |
Ground |
No |
|
40 |
|||
Is the inspection result normal?
YES>>Replace AV control unit. Refer to Removal and Installation.
NO>>Repair or replace harness or connectors.
Power Supply and Ground Circuit
Front Auxiliary Input JacksBasic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions
and environment when the symptom
occurs.
>> GO TO 2.
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with ...
System description
Refrigeration system
Component part location
High-pressure service port
High-pressure pipe
Expansion valve
Low-pressure service port
Low-pressure flexible hose
Compressor
Refrigerant pressure sensor
Condenser and liquid tank assembly
High-pressure flexible hose
Refrigera ...
Ambient Sensor Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK AMBIENT SENSOR POWER
SUPPLY
Ignition switch OFF.
Disconnect ambient sensor harness
connector.
...