DESCRIPTION
The air conditioning harness connects the A/C amplifier and each servo. The A/C amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends the damper position information to the A/C amplifier.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1497/97 |
Communication line error or open |
|
WIRING DIAGRAM
PROCEDURE
1. |
INSPECT A/C AMPLIFIER |
(a) Remove the A/C amplifier with the connectors still connected. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
z7-2 (BUS G) - Body ground |
Always |
Below 1 Ω |
*1 |
Component with harness connected (A/C Amplifier) |
NG | ![]() |
REPLACE A/C AMPLIFIER |
|
2. |
INSPECT A/C AMPLIFIER |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
REPLACE AIR CONDITIONING HARNESS |
NG | ![]() |
REPLACE A/C AMPLIFIER |
Customize Parameters
CUSTOMIZE PARAMETERS
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the customer are applicable
or not for customization, perform customizing operations.
Be sure to record the current se ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the steering
pad.
PROCEDURE
1. INSPECT STEERING PAD (Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (S ...
A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly
cannot be customized via the navigation system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning system ...