Nissan Maxima Service and Repair Manual: ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
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Turn the ignition switch OFF.
-
Disconnect the battery cable from the negative terminal.
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Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
Models without automatic drive positioner
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ECM
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Harness connector E30
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Harness connector M1
Models with automatic drive positioner
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ECM
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Harness connector E29
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Harness connector B10
2.CHECK HARNESS FOR OPEN CIRCUIT
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Disconnect the connector of ECM.
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Check the resistance between the ECM harness connector terminals.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".
Is the inspection result normal?
Main line between A-bag and ABS circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Check the following terminals ...
ADP branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Check the following terminals ...
Other materials:
U121D AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U121E AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U1225 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
Step lamp circuit
Description
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver output/power supply
Step lamp bulbs
1.CHECK STEP LAMP OPERATION
CONSULT
Turn igni ...
Display unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
BOSE SPEAKER AMP
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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