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john aka eauto, The Car Guy
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I am getting a p1700 code on my Suzuki Aerio 2002. pcode

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I am getting a p1700 code on my Suzuki Aerio 2002.
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: pcode 1700 Suzuki aerio
JA: Are you fixing your Aerio yourself? What have you tried so far?
Customer: ok.. I have replaced the ECU and the TPS and the TCM...
JA: Anything else you want the mechanic to know before I connect you?
Customer: The tcm and ecu are from ebay used parts...

DTC Confirmation Procedure

1)Connect scan tool to DLC with ignition switch OFF.

2)Clear DTCs in TCM and ECM memories by using scan tool.

3)Turn ignition switch ON.

4)Depress accelerator pedal fully and keep it for 10 seconds.

5)Release accelerator pedal and start engine.

6)Run engine at idle for 20 seconds.

7)Check DTC, pending DTC and freeze frame data.

DTC Troubleshooting

1.
Was "A/T System Check" performed?
YES
Go to Step 2.
NO
Go to A/T System Check.

2.
Is there DTC related to throttle position sensor (P0121 / P0122 / P0123)?
YES
Go to corresponding DTC Flow.
NO
Go to Step 3.

3. Check throttle position signal circuit for IG short.

Turn ignition switch OFF.
Disconnect TCM and ECM connectors from TCM and ECM.
Check proper connection to TCM at terminal "G07-6" and to ECM at terminal "G04-1".
If OK, turn ignition switch ON and measure voltage between terminal "G07-6" of disconnected harness side TCM connector and ground.

Is it 10 - 14 V?
YES
"PPL/WHT" circuit shorted to power circuit.
NO
Go to Step 4.

4. Check throttle position signal circuit for open.

Turn ignition switch OFF.
Check continuity between terminal "G07-6" of disconnected harness side TCM connector and terminal "G04-1" of disconnected harness side ECM connector.

Is continuity indicated?
YES
Go to Step 5.
NO
"PPL/WHT" circuit open.

5. Check throttle position signal circuit for ground short.

Check continuity between terminal "G07-6" of disconnected harness side TCM connector and ground.

Is continuity indicated?
YES
"PPL/WHT" circuit shorted to ground.
NO
Intermittent trouble or faulty TCM or ECM.
Check for intermittent referring to Intermittent and Poor Connection Inspection.
If OK, substitute a known-good TCM or ECM and recheck.

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