Nissan Maxima Service and Repair Manual: B261A push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN communication to BCM. BCM receives push-button ignition switch status by hardwire input. BCM compares the 2 signals for mismatch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
- If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS-44, "DTC Logic".
- If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS-45, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
- Press the push-button ignition switch under the following conditions and wait for at least 1 second.
- CVT selector lever is in the P position
- Do not depress brake pedal.
- Check "Self diagnostic result" with CONSULT.
Diagnosis Procedure
1. CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns to ON.
2. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
- Turn ignition switch OFF.
- Disconnect push-button ignition switch.
- Check voltage between IPDM E/R harness connector and ground.
3. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
- Disconnect IPDM E/R and BCM.
- Check continuity between IPDM E/R harness connector (A) and push-button ignition switch harness connector (B).
- Check continuity between IPDM E/R harness connector and ground.
4. CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)
- Disconnect push-button ignition switch.
- Check voltage between BCM harness connector and ground.
5. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
- Disconnect BCM and IPDM E/R.
- Check continuity between BCM harness connector and push-button ignition switch harness connector.
- Check continuity between BCM harness connector and ground.
B2618 BCM
Description
BCM controls the various electrical components and simultaneously supplies
power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic ...
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnec ...
Other materials:
P1800 vias control solenoid valve 1
Description
The VIAS control solenoid valve 1 cuts the intake manifold vacuum signal for
power valve 1 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver ...
ECU diagnosis information
POWER STEERING CONTROL UNIT
Reference Value
TERMINA LAYOUT
PHYSICAL VALUES
CAUTION: When using circuit tester or oscilloscope to
measure voltage for inspection, be sure not to extend forcibly any connector
terminals.
Fail Saf
EPS system
EPS system enters the fail-safe mode (that al ...
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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