Test readings, rear left door module, (702RL)
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Test readings, rear left door module, (702RL)
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The following pages contain directions and readings for testing signals and levels of the control module.
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Observe the test criteria. Use common sense when assessing the test results.
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Check first that the control module is receiving power and is grounded.
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Then check all sensor inputs and signals from other systems.
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Finally, check the control module outputs. Remember that the test readings are not a confirmation of whether the actuator is in working order.
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If a test reading is incorrect, use the wiring diagram to locate the leads, connectors or components that need to be checked further.
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Specified readings are for a calibrated Fluke 88/97.
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Test readings % (+) and ms (+) indicate the signal pulse ratio and pulse width respectively. A scan tool with pulse ratio and pulse width measurement must be used. The sign indicates positive trigger pulse, TRIG+.
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Note
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All units on the I and P-buses send signals.
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Control module pin
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Component/
function
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IN/OUT
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Test criteria
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Measure across
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Test reading
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1-3
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Not connected
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4
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Ground, logic
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OUT
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Ignition ON
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4-B+
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B+
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5
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Power supply, hall sensor
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IN
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Ignition ON
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6-(J2-7)
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4.6-4.7V
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6-8
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Not connected
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9
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Hall sensor 2
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IN
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Ignition ON
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Express activated
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9-5
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6.3-6.4 AC
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10-12
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Not connected
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13
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TSL sensor
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IN
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Ignition ON
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13-(J2-7)
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11V
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14
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Sensor, central locking system lock/unlock
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IN
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Ignition ON
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14-(J2-7)
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1.86V
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15
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Not connected
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16
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Hall sensor 1
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IN
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Ignition ON
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Express activated
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16-5
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6.3-6.4 AC
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17-18
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Not connected
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19
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Central locking system, lock/unlock
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OUT
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Door closed, ignition OFF
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19-(J2-7)
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Lock 12V for <0.2s
Unlock 4.5V for <0.2s
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20
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+30 voltage logic
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IN
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Ignition ON
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20-(J2-7)
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B+
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21
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Not connected
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22
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Ground, hall sensor
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OUT
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22-5
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4.76V
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23
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Central locking system, lock/unlock
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OUT
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Door closed, ignition OFF
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23-(J2-7)
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Lock 0.3V for <0.2s
Unlock 12V for <0.2s
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24
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Sensor ground, central locking system
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OUT
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Ignition ON
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24-32
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4.10V
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25
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Lock activation, TSL
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OUT
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Door closed, ignition OFF
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25-(j2-7)
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Lock 6V for <0.2s
Unlock 5.2V for <0.2s
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26-27
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Not connected
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27
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Courtesy lighting
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IN
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Ignition ON
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27-(J2-7)
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B+
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28
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I-bus
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OUT
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Ignition ON
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Use
86 11 857 Test lamp, red/green
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28-(J2-7)
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Test lamp should flash
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29-31
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Not connected
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32
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Door switch
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IN
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Ignition ON
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32-(J2-7)
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4.10V
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Note
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All units on the I and P-buses send signals.
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Control module pin
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Component/
function
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IN/OUT
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Test criteria
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Measure across
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Test reading
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1
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Window lift, up
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IN
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Ignition ON
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Close window
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1-7
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B+
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2
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Not connected
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3
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+30 voltage
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IN
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Ignition ON
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3-7
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B+
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4
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Not connected
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5
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Window lift, down
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IN
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Ignition ON
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Open window
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5-7
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B+
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6
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Not connected
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7
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Ground
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OUT
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Ignition ON
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7-3
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B+
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8
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Not connected
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