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 |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
If there are no DTCs output and the problem still occurs, check the circuits
for each problem symptom in the order given in the following table and proceed to
the relevant troubleshooting page.
NOTICE:
When replacing the brake act ...
Pressure Sensor Circuit (B1423/23)
DESCRIPTION
This DTC is output when refrigerant pressure on the high pressure side is extremely
low (190 kPa (1.9 kgf/cm2, 28 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2,
455 psi) or more). The A/C pressure sensor is installed on the high pres ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Rear View Monitor System
DTC Code
Detection Item
See page
C1622
Back Camera Disconnected
...