Module Communications Network
- Description and Operation
- Diagnosis and Testing
- Communications Network
- Principles of Operation
- Inspection and Verification
- Visual Inspection Chart
- Driver Information Chart
- Default mode Definitions
- Diagnostic Trouble Code (DTC) index
- Power Supply/Ground test index
- Pinpoint Tests
- PINPOINT TEST G270273p1 : BPM POWER SUPPLY OR GROUND FAULT
- G270273t1 : CHECK THE PERMANENT SUPPLY (1) TO THE BPM
- G270273t2 : CHECK THE PERMANENT SUPPLY (2) TO THE BPM
- G270273t3 : CHECK THE PERMANENT SUPPLY (3) TO THE BPM
- G270273t4 : CHECK THE IGNITION SWITCHED GROUND (1) TO THE BPM
- G270273t5 : CHECK THE IGNITION SWITCHED GROUND (2) TO THE BPM
- G270273t6 : CHECK THE ACCESSORY SWITCHED GROUND TO THE BPM
- PINPOINT TEST G270273p2 : SLCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p3 : PDCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p4 : DDCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p6 : PSCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p7 : DSCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p8 : IC POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p9 : RCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p10 : ADCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p11 : KTM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p14 : A/CCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p15 : ECM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p16 : TCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p17 : ABS/TCCM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p18 : GSI MODULE POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p19 : DLC POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p12 : VSIM POWER SUPPLY OR GROUND FAULT
- PINPOINT TEST G270273p5 : CHECK THE CONTROLLER AREA NETWORK INTEGRITY, VEHICLES WITH SUPERCHARGER
- G270273t15 : CHECK THE CAN NETWORK FOR CONTINUITY
- G270273t38 : CHECK THE ABS/TCCM CAN + CIRCUIT FOR CONTINUITY
- G270273t39 : CHECK THE ABS/TCCM CAN - CIRCUIT FOR CONTINUITY
- G270273t41 : CHECK THE ASCCM (WHERE FITTED) CAN + CIRCUIT FOR CONTINUITY
- G270273t73 : CHECK THE ASCCM (WHERE FITTED) CAN - CIRCUIT FOR CONTINUITY
- G270273t74 : CHECK THE CAN + CIRCUIT BETWEEN THE ASCCM (WHERE FITTED) AND THE ABS/TCCM FOR CONTINUITY
- G270273t77 : CHECK THE CAN - CIRCUIT BETWEEN THE ASCCM (WHERE FITTED) AND THE ABS/TCCM FOR CONTINUITY
- G270273t96 : CHECK THE CAN + CIRCUIT BETWEEN THE VSIM (WHERE FITTED) AND THE DLC FOR CONTINUITY
- G270273t97 : CHECK THE CAN - CIRCUIT BETWEEN THE VSIM (WHERE FITTED) AND THE DLC FOR CONTINUITY
- G270273t78 : CHECK THE CAN NETWORK FOR SHORT CIRCUIT
- G270273t42 : CHECK THE CAN + CIRCUIT BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR CONTINUITY
- G270273t68 : CHECK THE CAN - CIRCUIT BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR CONTINUITY
- G270273t69 : CHECK THE CAN + CIRCUIT BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR CONTINUITY
- G270273t70 : CHECK THE CAN - CIRCUIT BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR CONTINUITY
- G270273t71 : CHECK THE CAN + CIRCUIT BETWEEN THE GSI MODULE AND THE ECM FOR CONTINUITY
- G270273t72 : CHECK THE CAN - CIRCUIT BETWEEN THE GSI MODULE AND THE ECM FOR CONTINUITY
- G270273t75 : CHECK THE CAN + CIRCUIT BETWEEN THE ECM AND THE ABS/TCCM FOR CONTINUITY
- G270273t76 : CHECK THE CAN - CIRCUIT BETWEEN THE ECM AND THE ABS/TCCM FOR CONTINUITY
- G270273t79 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR SHORT CIRCUIT TO EACH OTHER
- G270273t80 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR SHORT CIRCUIT TO EACH OTHER
- G270273t81 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE GSI MODULE AND THE ECM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t82 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE ECM AND THE TCM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t83 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE ECM AND THE ASCCM (WHERE FITTED) FOR SHORT CIRCUIT TO EACH OTHER
- G270273t84 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE ASCCM (WHERE FITTED) AND THE ABS/TCCM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t86 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE GSI MODULE AND THE ASCBCM (WHERE FITTED) FOR SHORT CIRCUIT TO EACH OTHER
- PINPOINT TEST G270273p21 : CHECK THE CONTROLLER AREA NETWORK INTEGRITY, VEHICLES WITHOUT SUPERCHARGER
- G270273t85 : CHECK THE CAN NETWORK FOR CONTINUITY
- G270273t87 : CHECK THE CAN + CIRCUIT BETWEEN THE VSIM (WHERE FITTED) AND THE DLC FOR CONTINUITY
- G270273t135 : CHECK THE CAN - CIRCUIT BETWEEN THE VSIM (WHERE FITTED) AND THE DLC FOR CONTINUITY
- G270273t136 : CHECK THE CAN NETWORK FOR SHORT CIRCUIT
- G270273t88 : CHECK THE CAN + CIRCUIT BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR CONTINUITY
- G270273t89 : CHECK THE CAN - CIRCUIT BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR CONTINUITY
- G270273t90 : CHECK THE CAN + CIRCUIT BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR CONTINUITY
- G270273t91 : CHECK THE CAN - CIRCUIT BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR CONTINUITY
- G270273t92 : CHECK THE CAN + CIRCUIT BETWEEN THE GSI MODULE AND THE ECM FOR CONTINUITY
- G270273t93 : CHECK THE CAN - CIRCUIT BETWEEN THE GSI MODULE AND THE ECM FOR CONTINUITY
- G270273t94 : CHECK THE CAN + CIRCUIT BETWEEN THE ECM AND THE TCM FOR CONTINUITY
- G270273t95 : CHECK THE CAN - CIRCUIT BETWEEN THE ECM AND THE TCM FOR CONTINUITY
- G270273t98 : CHECK THE CAN + CIRCUIT BETWEEN THE TCM AND THE ABS/TCCM FOR CONTINUITY
- G270273t99 : CHECK THE CAN - CIRCUIT BETWEEN THE ASCCM AND THE ABS/TCCM FOR CONTINUITY
- G270273t137 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE DLC AND THE INSTRUMENT CLUSTER FOR SHORT CIRCUIT TO EACH OTHER
- G270273t138 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE INSTRUMENT CLUSTER AND THE GSI MODULE FOR SHORT CIRCUIT TO EACH OTHER
- G270273t139 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE GSI MODULE AND THE ECM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t140 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE ECM AND THE TCM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t141 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE TCM AND THE ABS/TCCM FOR SHORT CIRCUIT TO EACH OTHER
- G270273t142 : CHECK THE CAN + AND - CIRCUITS BETWEEN THE ECM AND THE VSIM (WHERE FITTED) FOR SHORT CIRCUIT TO EACH OTHER
- PINPOINT TEST G270273p22 : CHECK THE CONTROLLER AREA NETWORK FOR SHORT CIRCUIT
- G270273t100 : CHECK THE CAN + FOR SHORT CIRCUIT TO BATTERY
- G270273t101 : CHECK THE CAN + FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t102 : CHECK THE CAN + FOR SHORT CIRCUIT TO GROUND
- G270273t103 : CHECK THE CAN + FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t104 : CHECK THE CAN + FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- G270273t105 : CHECK THE CAN - FOR SHORT CIRCUIT TO BATTERY
- G270273t106 : CHECK THE CAN - FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t107 : CHECK THE CAN - FOR SHORT CIRCUIT TO GROUND
- G270273t108 : CHECK THE CAN - FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t109 : CHECK THE CAN - FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- PINPOINT TEST G270273p23 : CHECK THE SCP NETWORK CIRCUIT
- G270273t110 : CHECK FOR CORRECT BUS TERMINATION IN THE SCP + NETWORK
- G270273t143 : CHECK THE SCP NETWORK + AND - FOR SHORT CIRCUIT TO EACH OTHER
- G270273t111 : CHECK THE SCP + FOR SHORT CIRCUIT TO BATTERY
- G270273t112 : CHECK THE SCP + FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t113 : CHECK THE SCP + FOR SHORT CIRCUIT TO GROUND
- G270273t114 : CHECK THE SCP + FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t115 : CHECK THE SCP + FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- G270273t116 : CHECK THE SCP - FOR SHORT CIRCUIT TO BATTERY
- G270273t117 : CHECK THE SCP - FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t118 : CHECK THE SCP - FOR SHORT CIRCUIT TO GROUND
- G270273t119 : CHECK THE SCP - FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t120 : CHECK THE SCP - FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- PINPOINT TEST G270273p24 : CHECK THE ISO DATA CIRCUIT
- G270273t121 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO BATTERY
- G270273t122 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t123 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G270273t124 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t125 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- G270273t126 : CHECK THE SERIAL INPUT CIRCUIT FOR SHORT CIRCUIT TO BATTERY
- G270273t127 : CHECK THE SERIAL INPUT CIRCUIT FOR SHORT CIRCUIT TO IGNITION POSITIVE
- G270273t128 : CHECK THE SERIAL INPUT CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G270273t129 : CHECK THE SERIAL INPUT CIRCUIT FOR SHORT CIRCUIT TO ACCESSORY SWITCHED GROUND
- G270273t130 : CHECK THE BIDIRECTIONAL CIRCUIT FOR SHORT CIRCUIT TO IGNITION SWITCHED GROUND
- PINPOINT TEST G270273p25 : P1649; ECM FLASH PROGRAMMING CIRCUIT MALFUNCTION
- PINPOINT TEST G270273p1 : BPM POWER SUPPLY OR GROUND FAULT
- Communications Network
- Removal and Installation