DESCRIPTION
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1532 |
When one of the conditions below is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).
PROCEDURE
1. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs and check if the same DTC are output again.
OK:
No DTCs are output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT TUNER ASSEMBLY) |
(a) Disconnect the s5 and t3 radio and display receiver assembly connectors.
(b) Disconnect the s2 and t2 stereo component tuner assembly connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
s5-1 (USV4) - s2-1 (USV4) |
Always |
Below 1 Ω |
s5-2 (US4-) - s2-2 (US4-) |
Always |
Below 1 Ω |
s5-3 (US4+) - s2-3 (US4+) |
Always |
Below 1 Ω |
s5-4 (UGD4) - s2-4 (UGD4) |
Always |
Below 1 Ω |
s5-5 (USG4) - s2-5 (USG4) |
Always |
Below 1 Ω |
t3-4 (+B2) - t2-4 (+B2) |
Always |
Below 1 Ω |
t3-3 (ACC2) - t2-3 (ACC2) |
Always |
Below 1 Ω |
t3-8 (GND2) - t2-8 (GND2) |
Always |
Below 1 Ω |
s5-1 (USV4) - Body ground |
Always |
10 kΩ or higher |
s5-2 (US4-) - Body ground |
Always |
10 kΩ or higher |
s5-3 (US4+) - Body ground |
Always |
10 kΩ or higher |
s5-4 (UGD4) - Body ground |
Always |
10 kΩ or higher |
s5-5 (USG4) - Body ground |
Always |
10 kΩ or higher |
t3-4 (+B2) - Body ground |
Always |
10 kΩ or higher |
t3-3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
t3-8 (GND2) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
3. |
REPLACE HARNESS AND CONNECTOR (LVDS COMMUNICATION LINE) |
(a) Replace the harness and connector (LVDS communication line).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check if the same DTC are output again.
OK:
No DTCs are output.
OK | ![]() |
END |
|
4. |
REPLACE STEREO COMPONENT TUNER ASSEMBLY |
(a) Replace the stereo component tuner assembly (See page
).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check if the same DTC are output again.
OK:
No DTCs are output.
OK | ![]() |
END |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) If the stabilizer control ECU detects a malfunction, the fail-safe functions
shown in the table below operate.
Malfunction Item
Fail-safe Function
Speed Sensor
KDS ...
Relay(for Windshield Deicer)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE DEICER RELAY (DEICER)
(a) Remove the deicer relay from the engine room relay block.
Text in Illustration
*1
Deicer Relay
...