DESCRIPTION
WIRING DIAGRAM
PROCEDURE
1. |
CHECK MICROPHONE (OPERATION CHECK) |
(a) Enter the "Microphone Check" screen. Refer to Check Microphone in Operation Check (See page
|
|
(b) When a voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
OK:
Check result is normal.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY)) |
(a) Disconnect the E40 navigation receiver assembly connector.
(b) Disconnect the P12 inner rear view mirror assembly (amplifier microphone assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E40-4 (MACC) - P12-9 (ACC) |
Always |
Below 1 Ω |
E40-5 (MIN+) - P12-11 (MIC+) |
Always |
Below 1 Ω |
E40-19 (MIN-) - P12-12 (MIC-) |
Always |
Below 1 Ω |
E40-6 (SNS2) - P12-10 (SGND) |
Always |
Below 1 Ω |
E40-4 (MACC) - Body ground |
Always |
10 kΩ or higher |
E40-5 (MIN+) - Body ground |
Always |
10 kΩ or higher |
E40-19 (MIN-) - Body ground |
Always |
10 kΩ or higher |
E40-18 (SGND) - Body ground |
Always |
10 kΩ or higher |
E40-6 (SNS2) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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3. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
(a) Reconnect the E40 navigation receiver assembly connector.
(b) Reconnect the P12 inner rear view mirror assembly (amplifier microphone assembly) connector.
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E40-18 (SGND) - Body ground |
Always |
Below 1 Ω |
E40-19 (MIN-) - Body ground |
Always |
Below 1 Ω |
*a |
Component with harness connected (Navigation Receiver Assembly) |
NG | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
4. |
INSPECT INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
(a) Remove the inner rear view mirror assembly (amplifier microphone assembly)
(See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
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5. |
INSPECT INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
(a) Reconnect the E40 navigation receiver assembly connector.
(b) Reconnect the P12 inner rear view mirror assembly (amplifier microphone assembly) connector.
(c) Turn the ignition switch to ACC.
(d) Connect an oscilloscope to terminals 11 (MIC+) and 12 (MIC-) of the P12 inner rear view mirror assembly (amplifier microphone assembly) connector. |
|
(e) Check the waveform of the amplifier microphone assembly using the oscilloscope.
Result |
Proceed to |
---|---|
A waveform synchronized with the voice input to the inner rear view mirror assembly (amplifier microphone assembly) is output |
A |
A waveform synchronized with the voice input to the inner rear view mirror assembly (amplifier microphone assembly) is not output |
B |
*a |
Component with harness connected (Inner Rear View Mirror Assembly (Amplifier Microphone Assembly)) |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
B | ![]() |
REPLACE INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
Startability Malfunction (P1604)
DESCRIPTION
This DTC is stored when the engine does not start even though the STA signal
is input or when the engine takes a long time to start, and when the engine speed
is low or the engine stalls just after the engine starts.
Using the Techstream, the ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
The front side fix window assembly can be reused. When installing the
window, if any of the clips on the front side fix window assembly are broken,
butyl tape can be used to support the glass until the a ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
...