Check the Power and Ground Supplies to the Left-Hand Screen
: CHECK THE POWER AND GROUND SUPPLIES TO THE LEFT-HAND SCREEN
G240121t108 : CHECK FOR BATTERY VOLTAGE AT THE SCREEN CONNECTOR, VL01
1. Disconnect the left-hand screen electrical connector, VL01.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between VL01, pin 18 (OY) and GROUND.
- Is the voltage greater than 10 volts?
-> Yes
-> No
G240121t109 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Disconnect the audio video selector module electrical connector, TL85.
2. Measure the resistance between VL01, pin 18 (OY) and TL85, pin 18 (OY).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t110 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 18 (OY) and VL02, pin 18 (OY).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t111 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 18 (OY) and TL92, pin 18 (OY).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t112 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 18 (OY) and TL85, pin 18 (OY).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t113 : CHECK FOR VOLTAGE AT VL01, PIN 08
1. Reconnect the audio video selector module electrical connector, TL85.
2. Turn the igntition switch to the ON position.
3. Measure the voltage between VL01, pin 08 (N) and GROUND.
- Is the voltage -14 to -18 volts?
-> Yes
-> No
G240121t114 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Turn the igntition switch to the OFF position.
2. Disconnect audio video selector module electrical connector, TL85.
3. Measure the resistance between VL01, pin 08 (N) and TL85, pin 08 (N).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t115 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 08 (N) and VL02, pin 08 (N).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t116 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 08 (N) and TL92, pin 08 (N).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and VL02. TEST the system for normal operation.
-> No
G240121t117 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 08 (N) and TL85, pin 08 (N).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t118 : CHECK FOR VOLTAGE AT VL01, PIN 06
1. Reconnect audio video selector module electrical connector, TL85.
2. Make sure the ignition switch is in the ON position.
3. Measure the voltage between VL01, pin 06 (B) and GROUND.
- Is the voltage 6 volts?
-> Yes
-> No
G240121t119 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Turn the ignition switch to the OFF position.
2. Disconnect audio video selector module electrical connector, TL85.
3. Measure the resistance between VL01, pin 06 (B) and TL85, pin 06 (B).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t120 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 06 (B) and VL02, pin 06 (B).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t121 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 06 (B) and TL92, pin 06 (B).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t122 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 06 (B) and TL85, pin 06 (B).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t123 : CHECK FOR VOLTAGE AT VL01, PIN 04
1. Reconnect the audio video selector module electrical connector, TL85.
2. Make sure the ignition switch is in the ON position.
3. Measure the voltage between VL01, pin 04 (BK) and GROUND.
- Is the voltage battery voltage?
-> Yes
-> No
G240121t124 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Make sure the ignition switch is in the OFF position.
2. Disconnect audio video selector module electrical connector, TL85.
3. Measure the resistance between VL01, pin 04 (BK) and TL85, pin 04 (BK).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t125 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 04 (BK) and VL02, pin 04 (BK).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t126 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 04 (BK) and TL92, pin 04 (BK).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t127 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 04 (BK) and TL85, pin 04 (BK).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t128 : CHECK FOR VOLTAGE AT VL01, PIN 02
1. Reconnect the audio video selector module electrical connector, TL85.
2. Measure the voltage between VL01, pin 02 (YU) and GROUND.
- Is the voltage battery voltage?
-> Yes
-> No
G240121t129 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Disconnect audio video selector module electrical connector, TL85.
2. Measure the resistance between VL01, pin 02 (YU) and TL85, pin 02 (YU).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t130 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 02 (YU) and VL02, pin 02 (YU).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t131 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 02 (YU) and TL92, pin 02 (YU).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t132 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 02 (YU) and TL85, pin 02 (YU).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t133 : CHECK FOR GROUND AT VL01, PIN 01
1. Reconnect the audio video selector module electrical connector, TL85.
2. Measure the resistance between VL01, pin 01 (YR) and GROUND.
- Is the resistance greater than 5 ohms?
-> Yes
-> No
G240121t134 : CHECK THE CIRCUIT BETWEEN VL01 AND TL85 FOR CONTINUITY
1. Disconnect the audio video selector module electrical connector, TL85.
2. Measure the resistance between VL01, pin 01 (YR) and TL85, pin 01 (YR).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t135 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL01, pin 01 (YR) and VL02, pin 01 (YR).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t136 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between VL02, pin 01 (YR) and TL92, pin 01 (YR).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t137 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 01 (YR) and TL85, pin 01 (YR).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
INSTALL a new audio video selector module, TEST the system for normal operation.
G240121t138 : CHECK FOR IGNITION VOLTAGE AT VL01, PIN 16
1. Turn the ignition switch to the ON position.
2. Measure the voltage between VL01, pin 16 (RG) and GROUND.
- Is the voltage 5 volts?
-> Yes
INSTALL a new right-hand screen, TEST the system for normal operation.
-> No
G240121t139 : CHECK FOR SHORT TO GROUND AT VL01, PIN 16
1. Reconnect the intermediate connectors.
2. Measure the resistance between VL01, pin 16 (RG) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
-> No
G240121t140 : CHECK THE CIRCUIT BETWEEN VR01 AND TL85 FOR CONTINUITY
1. Measure the resistance between VL01, pin 16 (RG) and TL85, pin 16 (RG).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
G240121t141 : CHECK FOR SHORT TO GROUND AT VL02, PIN 16
1. Disconnect intermediate connector, VL02.
2. Measure the resistance between VL02, pin 16 (RG) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t142 : CHECK THE CIRCUIT BETWEEN VL01 AND VL02 FOR CONTINUITY
1. Measure the resistance between VL01, pin 16 (RG) and VL02, pin 16 (RG).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL01 and VL02. TEST the system for normal operation.
-> No
G240121t143 : CHECK FOR SHORT TO GROUND AT TL92, PIN 16
1. Disconnect intermediate connector, TL92.
2. Measure the resistance between TL92, pin 16 (RG) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t144 : CHECK THE CIRCUIT BETWEEN VL02 AND TL92 FOR CONTINUITY
1. Measure the resistance between VL02, pin 16 (RG) and TL92, pin 16 (RG).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between VL02 and TL92. TEST the system for normal operation.
-> No
G240121t145 : CHECK FOR SHORT TO GROUND AT TL85, PIN 16
1. Measure the resistance between TL85, pin 16 (RG) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
G240121t146 : CHECK THE CIRCUIT BETWEEN TL92 AND TL85 FOR CONTINUITY
1. Measure the resistance between TL92, pin 16 (RG) and TL85, pin 16 (RG).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between TL92 and TL85. TEST the system for normal operation.
-> No
G240121t147 : CHECK FOR VOLTAGE AT AUDIO VIDEO SELECTOR MODULE CONNECTOR TL86
1. Disconnect the audio video selector module electrical connector, TL86.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between TL86, pin 05 (RU) and GROUND.
- Is the voltage 5 volts?
-> Yes
INSTALL a new audio video selector module, TEST the system for normal operation.
-> No
G240121t148 : CHECK FOR SHORT TO GROUND AT CONTROL PANEL CONNECTOR RC03
1. Disconnect the control panel electrical connector, RC03.
2. Measure the resistance between RC03, pin 05 (RU) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
-> No
G240121t149 : CHECK THE CIRCUIT BETWEEN RC03 AND TL86 FOR CONTINUITY
1. Measure the resistance between RC03, pin 05 (RU) and TL86, pin 05 (RU).
- Is the resistance greater than 5 ohms?
-> Yes
-> No
INSTALL a new control panel, TEST the system for normal operation.
G240121t150 : CHECK FOR SHORT TO GROUND AT INTERMEDIATE CONNECTOR RC04
1. Disconnect intermediate connector, RC04.
2. Measure the resistance between RC04, pin 05 (RU) working towards the control panel, and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.
-> No
G240121t151 : CHECK THE CIRCUIT BETWEEN RC03 AND RC04 FOR CONTINUITY
1. Measure the resistance between RC03, pin 05 (RU) and RC04, pin 05 (RU).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between RC03 and RC04. TEST the system for normal operation.
-> No
G240121t152 : CHECK FOR SHORT TO GROUND AT AUDIO VIDEO SELECTOR MODULE CONNECTOR TL86
1. Measure the resistance between TL86, pin 05 (RU) and GROUND.
- Is the resistance less than 10,000 ohms?
-> Yes
INSTALL a new harness between RC04 and TL86. TEST the system for normal operation.
-> No
G240121t153 : CHECK THE CIRCUIT BETWEEN RC04 AND TL86 FOR CONTINUITY
1. Measure the resistance between RC04, pin 05 (RU) and TL86, pin 05 (RU).
- Is the resistance greater than 5 ohms?
-> Yes
INSTALL a new harness between RC04 and TL86. TEST the system for normal operation.
-> No
INSTALL a new control panel, TEST the system for normal operation.