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Mazda C930 V7 620 Troubleshooting Manual
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GENUINE REMOTE ENGINE START (Part No.: C930 V7 620)
If the following problem or error occurs with the aforementioned Genuine Remote Engine Start
(hereafter referred to as "RES"), use this manual to troubleshoot the problem or error.
• During RES installation, there is a problem with controller registration even after referring to the "GENUINE REMOTE
ENGINE START Registration Procedure Of the Controller."*
*Harness kit included
• During the RES installation, the controller was successfully registered, but then an error occurred during the operation check.
• After replacing or adding a remote control, there was a problem with remote control registration even after referring to the
"GENUINE REMOTE ENGINE START Registration Procedure Of the Remote control" (including the spare remote control).
• An error occurs during use, and an inquiry is made to an authorized Mazda dealer by the customer.
[Troubleshooting]
This troubleshooting manual lists a diagnostics guide which is categorized by the following errors or problems.
Troubleshoot the problem or error that occurred by referring to the items that correspond to each error or problem listed here.
Problem
Remote control related problems
• Remote control does not work (remote control display does not appear, or remote control buzzer does not sound)
• Remote control operating distance is short
Problems related to engine startup operations
• Engine does not start using the remote control
• Engine stops after starting it with the remote control
• The headlight or taillight turns on when the engine has been started with the remote control
• After starting the engine using the remote control, the wipers will not turn on even when the wiper switch is set
to the "AUTO" position and it begins to rain.
Problems related to engine stop operations
• Engine does not stop using remote control
Problems related to warm up time check
• Warm up time check does not work
• Warm up time remaining appeared on the LCD monitor of the remote control is different from its actual time.
Problems related to vehicle status check
• Vehicle status check does not work
• The letter of "
" appeares on the LCD monitor of the remote control
• RUN mark does not turn on when the engine has been started with the push start switch
• Even though the engine starts up normally using the "Engine start operation," the rear defrost mark displays
on the remote control.
• Even though the engine starts up normally using the "Engine start operation," the rear defrost mark displays
on the remote control.
• Even though the engine starts up using the "Engine start operation with rear defrost start up," the rear defrost mark
does not display on the remote control.
Problems related to setting warm up time
• Warm up time settings does not work
Problems related to rear defrost force operation
• The rear defrost does not turns on
• Even though the engine starts up normally using the "Engine start operation," the rear defrost is activated
• The dash light does not turn on when the rear defrost is turned on with the Remote Engine Start
Problems related to car find function
• Car find function on the remote control does not work
• Even though the car find function is executed while the turn signal lamp is flashing
(activated by the vehicle's turn signal switch), the hazards do not flash.
Problems related to controller registration
• Controller does not register
• Controller buzzer does not sound during registration
Problems related to remote control registration
• Remote control does not register
• Controller buzzer does not sound during registration
Troubleshooting Manual
*Clicking on the blue text link will display the corresponding page.
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Summary of Contents for Mazda C930 V7 620

  • Page 1 • After replacing or adding a remote control, there was a problem with remote control registration even after referring to the "GENUINE REMOTE ENGINE START Registration Procedure Of the Remote control" (including the spare remote control). • An error occurs during use, and an inquiry is made to an authorized Mazda dealer by the customer. [Troubleshooting] This troubleshooting manual lists a diagnostics guide which is categorized by the following errors or problems.
  • Page 2: Diagnostics Guide

    The metal parts or other electronic control units attached close to the controller of the remote engine except Mazda genuine parts are not attached close start, the operating distance of the remote engine start to the controller (especially antenna component of may be affected by them.
  • Page 3 Engine does not start using the remote control If a remote control was added or replaced, did you register all the Did you replace or add a remote control? remote controls being used with the controller? When a remote control is added or replaced, all the remote controls being used must be registered.
  • Page 4 Engine does not stop using remote control After performing a remote control operation check (Refer to ), there is no problem Repair the problem area. or error with the remote control. When operating the remote control, another Refer to the basic operation items in the switch was not accidentally pressed at the "User's instructions"...
  • Page 5 Warm up time check does not work If the engine is started using another The warm up time check operation was method (such as the vehicle's push start performed after starting the engine with the switch) other than the Remote Engine Start, Remote Engine Start.
  • Page 6 Vehicle status check does not work When operating the remote control, another Refer to the basic operation items in the switch was not accidentally pressed at the "User's instructions" to perform the remote same time. control operation correctly. When performing the vehicle status check Check the remote control operation (Refer on the remote control, does the display appear and the buzzer also sound?
  • Page 7 (Continued from previous page) Even though the engine starts up normally using the "Engine start operation," the rear defrost mark displays on the remote control. Was the temperature inside the vehicle cabin less than approximately 5°C when the Check the wiring (Refer to engine was started? Even when the engine is started up normally using the "Engine start operation,"...
  • Page 8 Warm up time does not set. When operating the remote control, another Refer to the basic operation items in the switch was not accidentally pressed at the "User's instructions" to perform the remote same time. control operation correctly. Did you press the remote control switch Refer to the basic operation items in the following the correct procedure, as noted in "User's instructions"...
  • Page 9 The rear defrost does not turns on Has approximately 15 minutes passed since The rear defrost automatically stops after you started the engine using the remote approximately 15 minutes has passed since control? starting the engine using the remote control. Once the engine is started up normally using the "Engine start operation,"...
  • Page 10 Car find function on the remote control does not work The power on the vehicle side is not set to If the power is set to the ON position, the the ON position. car find function is disabled. When operating the remote control, another Refer to the basic operation items in the switch was not accidentally pressed at the "User's instructions"...
  • Page 11 During the registration procedure, when the advanced key (or smart key) was held up to the vehicle's push Hold the Mazda logo on the advanced key (or smart start switch to switch the power from the "OFF" to the key) up to the push start switch (as shown in Figure 1), "ON"...
  • Page 12 Controller does not register (Refer also to a separate manual "GENUINE REMOTE ENGINE START Registration Procedure Of the Controller."*) *Manuals provided to authorized Mazda dealers The engine was not started using the Remote Engine Perform the registration while the engine is stopped.
  • Page 13 If the controller is not registered to the vehicle, the remote control registration cannot be performed. *Manuals provided to authorized Mazda dealers When performing the remote control operations, does Check the remote control operation (Refer to...
  • Page 14 (Continued from previous page) Controller buzzer does not sound during registration (Refer also to a separate manual "GENUINE REMOTE ENGINE START Registration Procedure Of the Remote control."*) *Spare remote control (Part No.: C920 V7 620) included Registration Procedure in manual After the minus terminal was disconnected from the After the minus terminal is disconnected from the vehicle battery, vehicle battery in step 1, did you wait more than 10...
  • Page 15 Remote control operation check To prevent the vehicle from accidentally moving due to remote control operation, first, disconnect the minus terminal on the vehicle battery and then perform the follow diagnostics check. Are the remote control batteries correctly inserted? Insert the batteries correctly. (Refer to the "User's instructions") This mark does not light up.
  • Page 16 Note: When using a tester to check, refer to the circuit diagram in the next page and the User's instructions. When using the tester, make contact from the harness side of the connector. If contact is made on the connecting side (of the connector), the connector may become damaged. Wiring check Is the vehicle battery connected? Connect the vehicle battery.
  • Page 17 Continued from previous page Connector[1] Controller Fuse(3A) (a) BATT To the vehicle's harness (b) SERIAL (c) T-SENS Connector[2] (d) T-GND (e) GND Temperature sensor To the ground on the vehicle's body...
  • Page 18 Remote control error display When one or more of the error displays listed below appears on the LCD monitor of the remote control, refer to the troubleshooting procedure that corresponds to that error display. When there are multiple errors that occur at the same time, the main error will only display.
  • Page 19 The error display "Er" appears on LCD monitor for the remote control. When a send operation from the controller is restricted The vehicle does not respond to the remote due to the transmission conditions in the area, the "Er" control operation. display appears.
  • Page 20 The controller buzzer sounds and the engine stops after starting the engine with the remote control. When an error or fault is detected on the Remote Engine Start, or when the safety detection function is activated due to an open door, etc., the controller buzzer notifies the user of the error description through the type (short or long) and number of beeps, as shown in the table below, and the engine is automatically stopped.
  • Page 21 In this situation, refer to the troubleshooting procedure that corresponds to the buzzer's sound pattern (beep) as shown in the table below. (Refer also to a separate manual "GENUINE REMOTE ENGINE START Registration Procedure Of the Controller."*) *Manuals provided to authorized Mazda dealers Buzzer Sound Pattern...
  • Page 22 The controller buzzer sounds and the registration procedure is cancelled during the remote control registration. When an error or fault is detected on the Remote Engine Start and a registration error occurs during the remote control registration, the controller buzzer notifies the user of the error description through the type (short or long) and number of beeps, as shown in the table below, and the registration is cancelled.